W8718 1842 ib Ills. SYLLABUS x 4 s?£*>U*6:& &/aA Ofund,. (y-ttsnc£/. j£rr-acAiiU &c,vuA<&, ^/-?aW T&/ - /Z = J6 - _2,?8 = &p60 $i = 3 = 60 3/ = zo [/#> 7t£*tc/L &La,»n >**:> tjs$o f-3' * = '4* fit .^ ti£60 rriio.rraiMpa. SYLLABUS OF LECTURES. PRELIMINARY OBSERVATIONS. Materia Medica is the science which treats of medicines; Pharmacy, the art of pre- paring them for use. Both are subjects of the present course of lectures; but the latter, belonging properly to a distinct profession, is considered of secondary importance, and treated of incidentally, and as subsidiary to the former. f. Medicines are substances capable of producing, as an ordinary result, and by their own inherent power, certain modifications of the vital functions, which render them applicable to the cure of disease. The proper mode of studying medicines considered. The objects of attention in rela- tion to them are their origin; their modes of collection and preparation for market; their commercial history; their sensible properties, and chemical composition and relations; their physiological action or influence upon the bodily functions in a state of health, and, in connexion with this, their toxicological history; their effects in morbid states of the sys- tem, and the general indications they are calculated to answer in the treatment of disease; their particular applications in cases which do not fall within any general rule; and finally, their dose, mode of administration, and the extemporaneous or officinal preparation to which they may be subjected. J£. Observations in relation to Pharmacopoeias, or codes published by authoritative bodies for the recognition of standard remedies, and the regulation of the modes of preparing them for use. The study of Botany recommended as preliminary to that of Materia Medica; and some acquaintance with Chemistry, Anatomy, and Physiology considered essential to a tho- rough understanding of the subject in all its relations. An accurate knowledge of the standard weights and measures employed in the purchase and sale, as well as in the preparation and prescription of medicines, insisted on as a ne- cessary accomplishment of the student of Materia Medica. • These weights and measures explained. (See U. S. Dispensatory.) Modus operandi of medicines. The operation of medicines considered asprimary or secon- dary, the former being their immediate action upon the system, the latter that which follows their original and characteristic impression, inconsequence of certain physiological laws. Primary operation of'Medicines. * * ^ In the primary operation of medicines, they may, Jirst, extend their influence over the system or to distant parts by means of nervous communication, or, secondly, they may enter ;,' the blood-vessels and act through the medium of the circulation, or, thirdly, they may act exclusively in the neighbourhood of their application. 1. The mode of operation by means of nervous communication explained and illustrated. This communication effected either by the propagation of the original impression to the brain, and its transmission thence to the part or parts operated upon, or directly through the medium of neives connecting the part receiving the impression of the medicine with the seat of its characteristic action. 2. The operation of medicines through the route of the circulation proved by their ex- istence in the secretions, and still more satisfactorily by their detection in the blood vessels, after having been taken into the stomach or applied to various other parts of the body. The idea advanced that some medicines probably act in both ways, viz. by nervous com- munication or sympathy, and by absorption into the blood-vessels and circulation with the blood. Facts slated to show that medicines may be absorbed not from the alimentary ca- nal only, but also from the bronchial mucous membrane, the scions surfaces, the cellular tissue, and from the skin especially when deprived of its cuticle. The rapidity of the ab- sorption is often very great, but various according to the part to which the medicine is ap- plied, the state of the system at the time, and the nature of the medicine itself. Said to be greatest from the air cells of the lungs, to be inversely proportionate to the quantity of cir- ( 2 ) culating fluid, and to be favoured by the solubility, miscibility with the blood, and free- * dom from corrosive properties of the substance absorbed. Some observations in relation to the mode in which absorption is effected. 3. The exclusively local action of certain medicines, or of substances applied in a cer- tain manner, alluded to, and illustrated. • In their primary action, medicines stated to differ greatly as to the parts which they af- fect; each particular medicine or class of medicines having a tendency to act on some one portion of the system, some one organ or set of organs, more than upon others. This ten- dency often independent of the part of the body to which the medicine is applied. Ex- plained by the possession of different susceptibilities by different components of the frame, in consequence of which one portion receives impressions from the contact of a medicine, while another is wholly impassive to its action. In this tendency to particular parts, a ground of distinction between medicines pointed out. Certain substances act especially on some one of the minor systems of the body, as the circulatory, nervous, or absorbent; and as these pervade the whole frame, and are so interwoven in their sympathies as well as position, that one cannot be deeply affected without some participation of the others, such substances may be considered as general in their action. Others have an especial affinity for some one of the organs, as the stomach, bowels, skin, kidneys, or lungs; and as these organs are distinct in situation, the medicines affecting them may be said to be local in their primary action. Both the general and local remedies may be subdivided, according as they operate on some one of the systems or organs in preference to the others. . The opinion maintained that medicines differ not only as to the part which they are dis»* posed to affect, but also in the nature of their primary action upon the same part. Another ground of classification thus afforded. But notwithstanding this difference in the essential nature of their action, medicines almost universally, in their primary operation, either pro- duce an excitement of the system, or some portion of it, above the healthy standard, or oc- casion a depression of action below that standard; in other woids, are stimulant or seda- tive. The great majority of them are stimulant, and perhaps all may be so applied as to produce a direct excitement of some part or organ of the body. But it is not deducible from this fact that there are no direct sedatives. It is a mistake to consider medicines essentially stimulant or essentially sedative under all circumstances. Medicines produce peculiar effects not only from their own peculiar nature, but in consequence also of the peculiar susceptibilities of the body or its organs. Now these susceptibilities are not the same in different parts of the frame in health, nor even in the same part in different states>-5t of health, or under different circumstances of situation. A necessary inference is, that the same medicine must operate differently in different parts of the body having these differ- ent susceptibilities, and even that its operation upon the same part may vary with the sus- ceptibility of the part. There can be no difficulty, therefore, in understanding that a medi- cine may be either stimulant or sedative, according to the part on which it acts, or to the condition of the system or some one of its organs at the time of its action. Instances illus- trative of these statements adduced. It is important to be acquainted with the various influences, which, by affecting the sys- tem, may modify the action of medicines. These influences treated of under the heads of& 3. .1. disease, 2. climate, 3. modes of living, 4. habit, 5. age, 6. se'x, 7. temperament, 8. idio- syncrasies, and 9. mental operations. (See'U. S. Dispensatory—Appendix.) 4'...............'........'•" S Secondary.. Effects of Medicines. \, By this term are meant the changes which take place in any portion of the body, not Z. produced by the immediate operation of the medicine, but dependent upon certain laws of " the system, which determine peculiar actions or conditions as the consequence of antece- dent actions or conditions. Arranged under the following heads:—■ 1. A state of depression following excitement; 2. Sympathetic excitement arising from local inflammation; 3. Removal of local irritations or inflammations on the principle of revulsion; 4. Cessation of diseased action in consequence of the removal of the cause; 5. Efforts made by nature to repair the damage received in consequence of the applica- tion of medicines to the body. These effects highly important in the treatment of disease. Explained and illustrated. Administration of medicines next considered, including^rsi, the forms in which they are used, and secondly, the parts with which they are brought into contact, and the modes of applying them. Forms in which Medicines are used. Medicines are administered, in the solid state, in the shape of powders, pills, troches, electuaries, and confections; in the liquid state, in the shape of mixtures and solutions. Under the head of solutions are included the officinal preparations designated by the names ' of infusions, decoctions, wines, tinctures, vinegars, syrups, honeys, and oxymels. Medicines A-A tS at/7*i&0uAcCaAf&fi ArfA_£ 3i£ fAA ^ /fee 'ZAljA" UrAtoA* A c^j^Ae^jiAAs #si0~Ac'AceA A% A?£ ftitAufy A /fa At&txt'cAj/fiA, Jt^(*d&e4^.&£Sdfife£u^/a.e£. -pffft &rfti'c£ tAj^a/cy OJejA ffil/ct/%to44/ *A Aa crttAaAtiu'tt a fr&J^eA. AS*? ' s&tAw -f-pa.cA fsr- CdTUts**tjrpc ^Adz as2ziatvA e^^M fySH-U&Ho-. ?-//'*/<*.'■£?<* e*J& *zA/5is7us£ Ait AeiAAaCf** t<'A{, A 'vie rttfi/ ^/lecA^c^cA^ ^ /AtA^/iuAuA\y AAic^ >l(&2«*/tuiC,a.J'^u*<'H> fi-^e/, aAc*Arf,<^*yit^ies^l,a- A^M^fAS Ay Stf/2£&Ar*t; fad/%tJ Cifdt'c/.';tU. Arh^uAlj^-- */u -U\C}AuAaiAAzi_ Ad#?A/A'// s??/a/A /ZnaAtA^.jOJ /Ajif /Tnt&r-'frC hi t-du/cec^tF 4iaA/~ /^./2Au+i i A/1? €4u/£Ail ffiu^ /6a~&.i*t/-. J?h?s0~tXsn4 ^zcU^'/Ao-{^4£/Ai^Au ///' -Ac Lia.G£^ />Le:f/}^LiAtyc"J//stxJ '/Afi d*mefulAoAffiz£u cl-clo^ /t-tuAx-de^xste#uAift-A,; MAi^tAsdAX:d:-a,- a,-J-/2,rr%^ CI.+/Z £. A,//«x*l£S AL&tf.sjj s//rxne, -^yL.cx- A AAcAy jfi-fnk sftit-o/rsrt*/1? /^uJ^uAast /ujAea*.* /Aa/t /j^.ajt&/;A/AiA w£is/ri? sieazA^ A}?L£d^- d*i£J ■^/ledcec'n&S, d'h-tudc,fittsi.s?t i t. Aic/Ai #A£-LA/£i< /la 'a &a? & aA-j. sr-dA~fi t. ^-Aj-u /d < /»- C- Ll-V-v-i-cAld- f. ^'Xt/t /£iOAfiS't^A CtnX Ac?cAududLAii/is>-/A-/{{'csfo. tiri// c' €£U. 1 rti. Alt sir. >/ st/ a I £>A- / '6 C * mX . £%al 4#. 1 C- & S/ fnt //<«<-' cj/l/tf'd fie ctvutCAttetytrfip c/i/t. ,i£tAaLc;L /rotk^ ( 3 ) are also used in thff form of liniments, cerates, ointments, plasters, and cataplasms. Each of these forms of preparation commented on. For all essential information in relation to them, the student is referred to the U. S. Dispensatory, the Index of which will point out the place where he may find them treated of. Besides the foims above mentioned, medi- cines are sometimes applied in the state of vapour. Parts to which Medicines are applied, and modes of applying them. 1. The stomach; but on this it is not requisite to enlarge. 2. The rectum. To this part medicines are applied with two objects—first, to produce alvine evacuation, secondly, to obtain their peculiar impression upon the system. In the latter case, as it is desirable that the medicine should remain in the bowels, it should generally be given in a small bulk, and may often be advantageously combined with opium to prevent irritation and consequent purging. In both cases, the first impulse to evacuate the bowels should be resisted; and the operator should assist the efforts of the patient, when requisite, by pressing a warm folded towel ag-ainst the part. The quantity of medicines administered by the rectum, with a view to their peculiar ac- tion, is, as a general rule, about three times their ordinary dose; but as the relative suscep«. tibility of the rectum and stomach is not always the same, it is best to begin with less than this proportion, when the medicine is very active. It is possible, moreover, that, while the susceptibility of the stomach is diminished by the frequent use of any particular medicine, that of the rectum may remain comparatively unimpaired; so that in cases where very large doses of an active medicine are habitually swallowed, it would not be proper to hazard the administration of a triple quantity per anum. Medicines introduced into the rectum in the solid state are called suppositories—in the liquid, clysters, injections, or enemata. The mode of applying suppositories requires no comment. Enemata are either fluid, or composed of solid matter diffused in a liquid vehicle. In the latter case, it is important that the medicine, especially when irritating, should be equally diffused. Water is generally used as the vehicle. If an insoluble substance is to be suspended in it, some mucilaginous, saccharine, or other viscid body should be added. The quantity of the vehicle should vary with .the nature of the medicine and the effects to be produced. If the enema is to be retained, the quantity should be as small as is com- patible with convenient administration. If intended to operate upon the bowels, the bulk should be larger. One or two fluidounces in the former case, and a pint in tlie latter, are about the proper mean proportions for an adult. 3. The skin. The modes of application are numerous. As regards the skin itself, the cuticle may be retained or removed; as regards the medicine, it may be used in the form of vapour, that of liquid, or that of a soft solid, and may come in contact with the whole surface of the body or only a part. * Modes of applying vapour described. Liquids are applied by lotion, bath, semicupium, or pediluvium. Observations on each of these modes. Solids are applied by simple contact, in the form of cataplasms, ointments, cerates, and plasters; or by the aid of friction, in a soft or semifluid state; or to the surface deprived of the cuticle. The last is the most efficient mode of affecting the system through the surface. Almost all remedies which act in small doses, and are not very irritating or corrosive, may 4be used in this way. The circumstances under which it is proper to resort to the endermic method of administering a medicine, are, 1. an unwillingness of the patient to swallow or inability to retain it, 2. the liability to an injurious degree of irritation from its internal use, 3. the loss of the susceptibility of the stomach to its'action from frequent repetition, 4. the necessity in which we may be placed of endeavouring to introduce it into the sys- tem by every accessible passage, and 5. the existence of violent or obstinate local affections, in which it is desirable to apply the medicine as near to the seat of disease as possible. The cuticle may be most conveniently removed by means of a blister, which may be from two to four inches square. The best positions are in general the epigastrium, or the inner parts of the extremities. Sometimes the immediate vicinity of the disease may he prefera- ble; and sometimes a position over the course of the absorbents which run into the part affected. The medicine may be sprinkled on the denuded surface in the form of powder, either undiluted, or, if of an irritatino; nature, mixed with wheat flour or arrow-root. It may also be app'lied in the form of ointment, or, if in the liquid state, by means of pledgets of lint. The dose should be twice or three times that which would be requisite by the mouth. 4. Bronchial tubes and pulmonary air-cells. Substances applied to these parts are usually in the form of gas or vapour. Fine powders have been thrown into the lungs by bfcing mixed with the inspired air; bnt this plan is not recommended. Inhalation is effected either by diffusing the gas or vapour through the air respired by the patient, or by confining it in a bag furnished with a suitable tube through which the pa- tient may breathe, or by means of an instrument called an inhaler. ( 4 ) Instruments for facilitating inhalation exhibited and described. 5. Nostrils and adjoining cavities. Medicines applied to this surface probably act in general by the strong sympathies which connect the organ of smell with'other parts of the system. Two purposes are answered—I. a powerful excitement of the brain in cases of in- sensibility from want of cerebral action; 2. a strong revulsion from neighbouring parts. The inside of the mouth is sometimes selected as a position for the application of reme- dies; but this is in reference chiefly to their local irritant action. Attempts have been made to produce impressions upon the system through the blood- vessels. This plan not recommended. Classification. Advantages of classification stated. Different plans recommended, according to the object proposed. That believed to be best * adapted to the wants of the medical student and practitioner, is founaed on the relations which medicines bear to the human system in the healthy state. Reasons for this belief stated. The following plan, founded on this basis, is adopted in the present course of lectures. Substances used remedially act either on the living body, or on extraneous matters contf ined within tlie body, and serving as a source of disease. The former constitute the great mass of medicines, and it is to these alone, according to the definition before given, that the term medicine is strictly applicable. The latter, however, for the sake of conve- nience, may be considered as medicines, and are here ranked in a distinct group. The first division, therefore, is into medicines which act upon the living body, and those which act ui>on foreign matters contained within the body. Of the medicines acting on the living body, there are two divisions, viz. general remedies which operate on some one or more of the systems pervading the whole body, and local remedies acting especially on particular organs. The general remedies are divided into two sets, one having a stimulant or excitant, the other a sedative influence. The former are called stimulants, the latter sedatives. Stimulants differ in the rapidity and duration of their action, some being slow and last- ing, others rapid and transient. The former are called permanent, the latter diffusible stimulants. Permanent stimulants are found to differ in one important point, some producing a con- stringing or contracting effect wherever they act, others exercising their permanently sti- mulant influence without this effect. Hence the division into the two classes of astrin- gents and tonics. Of the diffusible stimulants some art more especially on the heart and arteries, with little comparative influence on the brain and nerves, while others, together with their in- fluence on the circulation, conjoin a decided operation upon the cerrbro-spinal system. Hence the division into arterial sHmulants and cerebro-nervous stimulants. The latter of these classes may be separated into two subdivisions, founded upon the fact, that some of them produce a decided impression upon the proper cerebral functions, while others appear to act upon the nervous system at large without special tendency to the brain. These subdivisions may be named cerebral stimulants or stimulant narcotics, and nervous stimulants, identical with those usually denominated antispasmodics. Sedatives are divided into those which affect the heart and arteries exclusively, and those which also operate upon the nervous system. Hence the classes of arterial seda-^ tives or refrigerants, and nervous sedatives or sedative narcotics. Local remedies are divided into those which affect the functions, those which affect the organization, and those which are mechanical in their action. The medicines affecting the function of a part, are ]. Emetics, acting ori the stomach; 2. Cathartics, acting on the bowels; 3.'Diuretics, acting on the kidneys; 4. Diaphoretics, acting on the skin; 5. Expectorants, acting on the lungs; 6. Emmenagogues, acting on the uterus; 7. Sialagogues, acting on the salivary glands; and 8. Errhincs, acting on the nostrils. Medicines which affect the organization of a part arc divided into 1. Rubefacients, which produce inflammation; 2. Epispastics, which excite vesication; and 3. Escharotics, which destroy the life of the part, and occasion a slough. ■^Medicines operating mechanically, include 1. Demulcents, which protect surfaces from the action of irritants, or mixing with these, obtund their acrimony; 2. Emollients, which soften and relax the skin; and 3. Diluents, which act by diluting the fluids of the body. Besides the remedies included in the above classes, there are some, belonging to the first great division, so peculiar in their action, that they cannot be conveniently classified, and therefore deserve to be considered separately. These are ergot, nux vomica, arsenic, mercury, and iodine. 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'd/y'Ai s/ z/iA^zy A tdl6r/c f t, AY/XX, AAydYs Ar/d., /X/z/7/^ 4/ Jni Ac ->2/&y, A/ //t?dyt-/Z// s/t. CXA/a? /1A Av * a- AA-** tAL/Ayy?. A ' ? - - A i sf AtaAJ J(li. cY/z/Y/uj/X/z-cXx. dluA/zyA7A/Y^'/'d'rt/cd^s (Xrfy-*/'AA ua/?,_ . ■//cidA, (X/t//iAe A^t^ / r-^f " , ' ' y ,y X/7-i X/i/H6a-/i; C'ufu. ^X/s, £«,■ Ly isi- i'i-' ■ ■ — - — s -r. i7,/^/^k; i Xt/a/Lsd, YAyy eztyA t7Ayyy, dyyy/ < a - n ztcyi . / A//s/Ar ( t ryA X z/ //v- A v^yx^ *>' ^- X i' i < x x. Axt ■ 'A-// £ ^A7s yjAj. aL/y/'^ AsdAAiidy<7 xA^iX dY,_ dxy?xy &'7//-J6 '/'A??*■ * <-^a YA7 x/yyi/&/a/Ar/txA t r?^' ^«* c, Au / 'i d At i/zAAd/y AA AXti cyiX\ Ax/z^xAtVAY. c A/1 /(Test xA/y^i^ y v X/ 1A/dAyX. A7t-U/7Y{(} ; od-fy/A/z/iaydL, Ayi/-*X/zAsj i< tAtzAL, e Y/aX£ Aft^y t'&fi At~u*/z, d/^/t£y?6^^/?Ad^/xA TxYaYzA Ad-zYfytdAt '/sZU, XstcX. ( 5 ) TABULAR VIEW OF THE CLASSIFICATION. T .Substances which act on the living body. /-General remedies. ' Stimulants. j Permanent stimulants. Astringents. Tonics. Diffusible stimulants. Arterial stimulants. Cerebro-nervous stimulants. Nervous stimulants, commonly called antispasmodics. Cerebral stimulants, or stimulant narcotics. Sedatives. Arterial sedatives, or refrigerants^ v Nervous sedatives, or sedative narcotics. Local remedies. ,, Affecting the functions. Emetics. Cathartics. Diuretics. Diaphoretics. Expectorants. Emmenagogues. Sialagogues. Errhines. ." "Affecting the organization. Rubefacients. Epispastics, Escharotics. r Operating mechanically. Demulcents. Emollients. Diluents. ;; * Medicines insusceptible of classification with others. Ergot. Nux vomica. Arsenic. Mercury. Iodine. , .Substances which act on foreign matters contained within the body. Antacids. Anthelmintics. ! ( 6 ) CLASS I. ASTRINGENTS. General Observations. Defined to be medicines which produce contraction of the living tissues. Their action explained. Every living tissue is possessed of contractility which requires only the appropriate stimulus to call it into action. This is afforded by astringents. Their operation is entirely vital, and independent of chemical or mechanical laws. Their effect in parts to which they may be directly applied is obvious. Their action may extend also over the system, but is then less evident. General effects from astringents—greater firmness of muscle; diminished calibre and greater rigidity of blood-vessels and absorbents, and consequently a harder and more con- tracted pulse; diminution or closure of secreting orifices, and consequently diminution of secretion. Some assert that they render the blood thicker and its coagulum firmer. They produce moderate and permanent excitement of the organic life, but have little in- fluence over the nervous system, or the functions of animal life. Indicated in unhealthy discharges from the blood-vessels, whether hemorrhagic or by secretion, and in cases generally which depend on relaxation of the tissues. 1. Unhealthy discharges. Here they operate by closing the secreting or bleeding orifices. They are not, however, applicable to all cases indiscriminately—only to those in which the discharge depends on weakness of the blood-vessels, or in which it is merely local or sustained by habit after the disappearance of the original cause, or when it is so profuse as to render its suppression desirable at the risk of aggravating the morbid condition in which it had its origin. Contra-indicated by the existence of any morbid condition of which the discharge is a mere effect, and which it is calculated to relieve, and by the existence of any considerable local or general excitements In cases of excitement, if it be desirable to suppress a discharge, the use of astringents should, as a general rule, be preceded by bleeding or other depleting measures. The particular complaints to which astringents are applicable, under this indication, are diarrhoea, chronic dysentery, diabetes, catarrh of the bladder, excessive sweating, some- times, perhaps, dropsical swellings depending on relaxation, and all the hemorrhages. In rail these cases, however, it is necessary to bear in mind the contra-indicating circumstances already mentioned. Explanatory remarks. 2. Disorders connected with relaxation of the tissues. These often consist in morbid discharges, in which case they fall under the preceding head. Sometimes, however, the system is left after acute diseases in a state of relaxation, in which astringents are useful, particularly in combination with tonics, even when no unhealthy discharge exists. In chronic complaints such a condition also occasionally exists, either original or in- duced—as in scrofula and rickets. The external use of astringents is governed by the same rules with some modification. Applicable in cases of increased mucous secretions, after the subsidence of inflamma- tory action, as from the urethra, vagina, rectum, and nostrils—of excessive perspiration__ of hemorrhages from parts within reach—and in cases of local relaxation, as in various venous distentions, prolapsed anus, uterus, and uvula, and flabby ulcers. Their local application is admissible under circumstances in which their internal use would not be justifiable; as, in the former mode, more of their proper astringent effect is obtained, with much less of their general stimulation. Locally used, astringents are sometimes beneficial even in cases of actual inflammation. They probably do good by producing contraction of the capillaries, and thus expelling the' blood. But for this purpose, as a general rule, they are applicable only in the commence- ment of the inflammation, before the excitability has been much increased, or in the latter stages after it has become in some measure exhausted. Astringents may be divided into two sections—the vegetable and mineral the former having a certain identity of character depending on similarity of composition, the latter agreeing only in the possession of the common property of astringency. / r Xycpj 7/L.s^rX^ ztuui*{t7i+£/t./e.,, A ,7, ' 6 s ~i<-/6..-/j.-iSA.. >.*wYV V^ -/^\/ A*. A/ A x-a A. Ax 6'A >/. 9 2/«J ;, 6 -/tr/siftA,, <* yA7d7£y f/r^^X/.d^d/fy. 7y , AA,. ~n zity-t/r/.yyAAs /:/rA/iXt./d"y *yA A*. Asy>.y,/A/t „.;<*. yAtd n-t'< K-sd^/jyXAc. t*AA-*i x^d'r A'.-.tsr x zs) /yjittt^^z^HX i XAz a6,7?, ; sz,y 76ssX6^s>l/. AAr/LfA-. Ate sy'sXy/^sA'd^tt/sY ,*s,', -c,tc-X . XX 7z *W .6/~a^6s. /tiAXs'A. Ao /Ai'iz SiSJA /<- /i d i/z/aA dd i^rfy^A za Ad? . y/i-si /i <*y, yy Cls /> fA v '*. zd, iy z-yzy-i e,y?zy sz~ A* XAA ■:/< ■'( 7zz Xiy <• ydc^Xz* yAc sy/y ,'A'i. -7/. <'/,, tx st-aXsX. ' ' / s ^ i/9 6/ ."tic At. /,• -f* A/ // (T/,.. . 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AdzyAyi /zA/ridry d*' A'^ < A" z<-/c Xyyy, t~r /'AdL At'^ ccdid/, d'y/i. d tdTdy 6kst^-z^iuA Add. Xyy^//<-/ n*y zt ztiAzAcut (p~tniA d*yA*.e-A a. zi-z^zis^ y-7^ ~AAd+i./Z XX zy 7X*. O- - dY(d? #s?i/Ad} tut/-I itzL zyaYfy zitd Ad-AA A? s?i<- dd>uyt-iia ■ A doft ^fr/f-in zt zAdt-ty'A a. z/tuo^ AA•-yAdAtXd - ytiiA^^-f^Ai/UtAaAA *V ^/A X A Y A ' ^ 7 X A. AAu d>-Yu zt td #.t AYzizdA,- ztsc /Ad /it J/dA- Aid*.* xy?/> A^d, . i \ & ddzd- JY*yz*X A A < yd */.* A 7 ax z A Y/ d-X ZdJ-z disc /> as?/ U- f-tr> AA ^dU^X'y2d,/-7-n/y zl/i+c a 7't'a.dt AX+ et /u3h trz^a. «- d/s/<<*+i zyz/Adu' a z/Xud^A AjxA y-/x.ts~d Aat-**si i d7 A ZAyud- ^ '»' ' AAzc }zsiXAc'-&- d>- Jdyy^XAd tzt^A-7' ''Pa. "T/^./ ts/z-/ A-.rrtc AotyiaA, A- -*-- A ./ w) y d /. a47/ \AUzAt'a^/VAJi-o az ftt iA ztL yhi siAA <^i+& /^.AsZi / /^Xtf-tAt-of A^-^/Ait sAc At" #.7iL<-r?r Asdaj^ftL.-Azt-z-vdt^ 4dddAeA_A>cs-z... Description of white-oak bark. I Its sensible properties and relations to water and alcohol. Chief ingredient, tannic acid, which is most abundant in the inner bark, and in that gathered in spring. £ Description of black-oak bark. Its sensible properties and relations to water and alcohol. Chief ingredients, tannic acid and a colouring principle called quercitrin. £.. Medical properties and internal use. Black-oak bark less disposed to occasion constipation than white-oak bark. Sometimes even laxative. Both more used externally than internally. £•--Particular applications as external remedies. ^...Used in powder, decoction, and extract. Dose of the powder, 30 grains; of the decoc- tion, f.^ij.; of the extract, 20 grains. Other parts of the oak possessed of similar properties; but more feeble. The leaves and acorn cups may be substituted for the bark. Acorn highly astringent, but also more bitter. Uses, and mode of preparation. 7- GALLS.—GALLA. U.S. Excrescences on the young branches of Quercus infectoria and other species. /...Locality and description of the tree. 2»»«Mode in which the gall is produced. A.-Brought from the Levant and the East Indies. /, + -General characters, including size, shape, and nature of surface. .Two varieties—blue galls eund[whitejglls^ Difference between them. X*\f!Sensible properties, and relations to water and alcohol. • Most interesting ingredients, tannic and gallic acids. Virtues depend chiefly on the former., *-. ..Substances with which galls afford precipitates, and with.which they are incompatible in prescriptions. S... Medical properties and uses. Chiefly employed externally. d Used in powder, infusion, or/decoction. Dose of the powder, 10 to 20 grains; of the infusion, made in the proportion of half an ounce to a pint, fgij. A tincture directed by Ed. and Dub. Pharm.—Dose f3J. to f^nj. More used as a test than as a medicine. KINO. U.S. Varieties.—1. African kino; 2. Jamaica kino; 3. Botany Bay kino; 4. East India, or Amboyna kino. / . . .. Supposed source of each variety. The East India kino most used—obviously an extract. 7 . - General characters of kino, including shape and size of the fragments, nature of the sur, face, colour of the powder, &c—sensible properties-relations to water and alcohol. . Interesting ingredients, tannic acid and extractive. V.rtues depend on the tannic acid, which is of the variety that affords a dark greenish precipitate with sulphate of .ron. Incompatibles same as those with galls. . j.. . . Medical properties and uses. One of the vegetable astringents best adapted for inter- naUsed in powder, infusion, and tincture. Dose of the powder, 10 to 30 grains-of the infusion, made in the proportion of 2 drachms to 6 fluidounces, from f 5ss. to t^iss. Objection to the tincture. ( 8 ) CATECHU. U.S. Extract of the wood of Acacia Catechu—perhaps also from other sources. y, . .Locality and description of A. Catechu. 2- ..-Mode of preparing catechu, its aspect, colour, odour, taste, fracture, and other physical ' properties—the colour of its powder, and its relations to water and alcohol. ?.. Impurities. Chief ingredient, tannic acid like that of kino, with a little extractive. Chemical relations the same as those of kino. Dark coloured catechu said to contain most tannic acid. / , .Medical properties and uses. ^ Kino preferable for internal use, as purer. Used in powder, Jnfusion, and tincture. Dose the same as that of kino. Dose of the tincture from f gss. to f ^iij. RHATANY.—KRAMERIA. U. S. Root of Krameria triandra. £. ...Character of the plant and place of its growth. £.....Fqrm of the root—sensible properties—difference between the cortical and ligneous por- tions—colour of the powder—relations to water and alcohol, and the colour imparted by it ■ to these liquids. Active ingredient, tannic acid resembling that of kino. J,. . Medical properties and uses essentially the same as those of kino and catechu. Recently,/ much used, particularly in uterine hemorrhage. a .. -Used in powder, infusion or decoction, tincture, and extract. Dose of the powder, 20 to ** 30 grains—of the decoction or infusion, made in the proportion of an ounce to a pint of water, from f^j. to f^ij.—of the tincture from f^j. to f^ij. The extract made by evaporating the infusion or tincture. Injured by long boiling. % Dose, 10 or 15 grains. . LOGWOOD.—H.EMATOXYLON. U.S. Wood of Hcematoxylon Campechianum. /..■Character of this tree and place of its growth. *.. .State of the wood as imported, and as kept in the shops. j ...Sensible properties of logwood, and relations to water and alcohol. Effect of exposure* on the colour. A. • Characteristic ingredient, a peculiar colouring principle called hemalin. ^■...Medical properties and uses. Employed in decoction and extract. Dose of the decoction f^ij.—of the extract 10 to' '■■ 30 grains. CRANESBILL.—GERANIUM. U.S. ?' Root of Geranium maculatum—an indigenous perennial herbaceous plant, growing in." woods. *• / • • -Shape and general aspect of the root, its sensible properties, and relations to water and alcohol.. Active ingredient, tannic acid. j{. ..Medical properties and uses. Given in powder and decoction. Dose of the powder 20 to 30 grains—of the decoction made by boiling one ounce in a pint and a half of water to a pint, from fgj. to fgij. Some- times boiled in milk. BLACKBERRY-ROOT.—RUBUS VILLOSUS. U.S. DEWBERRY-ROOT.—RUBUS TR1VIALIS. U.S. Roots of Rubus villosus and R. trivialis—similar in medical properties. Both plants indigenous—former an erect prickly shrub—latter a creeping briar. / • • -Shape and aspect of the roots. Virtues chiefly in the corlicil part. Smallest roots, there- fore, best. Sensible properties and relations to water and alcohol. Active ingredient, tannic acid. O . «• Medical properties and uses. Usually given in decoction—made by boiling one ounce in a pint and a half of water to a pint. Dose f^j. to f i|ij. Dose of the powder 20 or 30 grains. UVA URSI. U.S. heaves of Arbutus Una Ursi or bear-berry, a small, trailing, evergreen shrub, indige- nous in the northern paits of the old and new continents, and growing in the United States as far south as New Jersey. />£..• ■ Distinguishing characters of the dried leaves—colour, smell, and taste—colour of the powder—relations to water and alcohol. A/u A^tcsAXe. ± A x f.K <& AnAt**He«,A^ss. C%Ld7A M- - A/s^yL-yzj. y Af 2y7 f'7^~ t/L- dt^tdi&a^jAj, t /•zA tAe . Atire,pL A?, zy< <^ut+y e^rAY < Jc ZdX AlsjU- Aj /ura.Aii_ ( ? Z^ZAzritj J^ '77t-Z-/cAAc cd A< t> eZ-i Z d 7-U.^.Jj (A^l/uddis/u/ ■ /AcP 7 f A /? d '/A—y "~ / 1 /. 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Therapeutical applications. *' * Given "in decoction, made by'bo"iling two ounces in three pints to two. Dose, a small teacupful 3 or 4 times a day. An extract may be given in the dose of 20 or 30, grains four times a day. The following vegetable astringents also spoken of. /. - ■ Rind of the Pomegranate—Granati Fructus Cortex. U. S. 2,- ■-Unexpanded petals of the red rose—Rosa Gallica, U.S.—with its preparations—the confection of roses (Confectio Rosa, U. S.), and the compound infusion of roses (Infusum Rosa Compositum, U.S). 3 ■ ■ Incidental remarks on Rosa cenfifolia, or hundred leaved rose, and its distilled water, called rose-water (Aqua Roses, U. S.) with the Unguentum Aqua Rosa, U. S., prepared from it. Bark and unripe fruit of the Persimmon—Diospyros Virginiana. Tormentil—root of Tormentilla erecta. Bistort—root of Polygonum Bistorta. 2. Mineral Astringents. ALUM.—ALUMEN. U.S. Chemically, a sulphate of alumina and potassa. Salts essentially similar in medical properties are formed with sulphate of alumina by ammonia and soda. Sometimes native—more frequently prepared from ores, or by a direct combination of its constituents. / . ., Shape of crystal—effect of exposure—colour and taste—solubility in water—effects of heat—chemical incompatibles. 2. • ■ Effects on the system, and therapeutical application both internally and externally. £m. . .Alum curd as a local application. A solution containing from 15 to 20 grains to the fluidounce of water, used as a gargle. Given internally in powder, pill, or solution. Dose 5 to 15 grains every three or four hours, or less frequently. A. . -Alum whey as a form for internal use. iT • Dried alum an escharotic. LEAD.—PLUMBUM. Metallic lead probably inert. General effects of its preparations considered under the two heads—1st, of their local irritant action—2d, of their peculiar specific action. The two in some degree incompatible; as, when lead is applied so as to occasion much irritation, its absorption is impeded, and its peculiar influence on the system thus prevented. The preparations of lead characterized by the union of astringency with a sedatiye power. »"• > /. . . Description of its effects. . Poisonous action of lead. Fatal consequences may result both from the irritant action of the preparations of lead, and from its peculiar influence upon the system. The former event is more likely to ensue from large quantities taken at once—the latter from smaller quantities gradually insinuated into the system, and applied for a considerable time. The only preparation not poisonous is probably the sulphate, which is thought to be inert from its great insolubility. 2 % ( io ) 3, • Treatment in cases of poisoning by preparations of lead. The sulphate of soda or sul- phate of magnesia is the best antidote. Preparations of lead employed—1. semivitrified oxide or litharge, 2. carbonate, 3. ace- tate, 4. sub-acetate. /..LITHARGE.—PLUMBI OXIDUM SEMIVITRIUM. U.S.—Preparation— aspect- colour—smell and taste—solubility—chemical nature—impurities. Not used internally. Chiefly employed in the preparation of the lead plaster (Empln strum plumbi, U.S.) 2_. ■ ■ Preparation of the lead plaster. Explanation of the chemical agencies concerned. De- 9 sen ution Uses Y' ''CARBONATE OF LEAD.—PLUMBI CARBONAS. U.S.—Also called white lead, formerly cerusse. .Preparation—general aspect—sensible properties—solubility. One of the ' mbsf poisonous salts of lead. Most common source of painters' colic. Seldom or never . m used internally. External employment. Modes of application. *•" "ACETATE "OF LEAD.—PLUMBI ACETAS. U. S.—Called also sugar of lead or saccharum saturni... Preparation—chemical composition—shape and appearance of crys- ' "tals—effects of exposure—sensible properties—solubility in water and alcohol—appearance upon solution in common water, its cause, and mode of prevention. ■ • Incompatible substances numerous—the most important, sulphuric, muriatic, and phos- phoric acids and their soluble salts, the soluble carbonates, the alkalies, lime-water, vege- table astringents, and certain mucilages. May be given safely in moderate cioses not too long continued. In large quantities it is an irritative poison, in smaller, too long persevered in, it produces the peculiar poisonous , effects of lead. " Diseases in which it is most useful, hemorrhage from the lungs and uterus, diarrhcea ' and dysentery. An advantage, that it is at the same time astringent and sedative. Hence given in the eaily stages. Usefully combined with opium. Dose, half a grain to three - A'grairfs e'very hour, two, or'three hours. Given in pill made with crumb of bread, or dis- solved in water with the addition of vinegar. Much used externally. Applied in this way, has the double effect of restraining dis- charges,*and directly reducing inflammatory action—and hence may be used when other ^ astringents are contraindicated....Complaints in which it is used externally. Employed in *-'•' the "state of solution. For application to the mucous surfaces, from 1 to 2 grains may be dissolved in a fluidounee of water, to the sound skin, ^ij. in Oj. SOLUTION OF SUBACETATE OF LEAD.—LIQUOR PLUMBI SUBACETATIS. U.S.—Also called Govlard's extract of lead. .Preparation, chemical nature and sensible properties. Decomposed by~whatever decomposes the acetate, and in addition by carbonic _ acio^gum, and starch.. .Effects of exposure to the air. "% 7. .Employed externally to reduce inflammation. Said to have produced local palsy. Diluted * before application—f-^ij. or f^iij. to a pint of water. 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Sd^^ AAiA cZs/s/i.clZ/7 aa yt^> ;. dsX/^c^/z^-ax..£/zt~d7y ttlsiSsyv tztv- yh-tcdA lA'/IA ZkA A*H.q tsAC&t dd t A X LirAc eZs> Asti /Affsd ( 13 ) ^ ... Shape, size, general aspect, and consistence of the pieces—difference between the cor- tical and central portion—colour—odour—taste—colour of the powder—relations to water and alcohol. Active ingredient, a peculiar principle called colombin. Besides this, a large proportion of starch, according to Planche 33 per cent.—also mucilage, and a little volatile oil. Nothing incompatible chemically, which is likely to be associated with it in prescription, unless, perhaps, iodine. / . . -Medical properties and uses. ^t , .Frequently combined with other tonics, purgatives, aromatics, and antacids. Used in powder, infusion, and tincture. Dose of the powder, 10 to 30 grains—of the infusion made in the proportion of ^ss. to Oj., from f^j. to f^ij.—of the tincture, f^j. to y f^ss. /The infusion soon undergoes spontaneous change from the presence of starch. & Numerous other bitters analogous to those mentioned; but at present little used, and not r wanted. 2. Bitters of peculiar or modified properties. These may be subdivided into 1. those-having a peculiar alkaline principle, as Peruvian bark, 2. those in which the bitter principle is modified by combination with a sedative prin- ciple, as wild-cherry bark, and 3. those in which it is associated with a stimulant principle, usually a volatile oil, as serpentaria. PERUVIAN BARK.—CINCHONA. U. S. / ■ ■ Bark of different species of Cinchona—natives of the Andes—and extending from La Paz in Bolivia, to Santa Martha on the North Coast. 2 .. • • Not certainly known from what particular species the different varieties of bark are de- rived. Three officinal varieties; 1. pale bark (cinchona pallida), 2. yellow bark (cinchona flava), and 3. red bark (cinchona rubra). All the varieties strictly officinal are brought from the Pacific Coast of South America. Those brought from the northern ports are considered inferior, and thrown together under the name of Carthagena barks. 1. Pale bark.—Cinchona Pallida, U.S.—Embraces the commercial varieties called Loxa - and Lima barks. Named from the colour of the powder. Called gray bark by the French. >'t J . • Description of .pale bark—colour of the powder—sensible properties. 2. Yellow barh—Cinchona Flava, U.S.—This is the variety denominated in commerce Callisaya bark. . Wholly different from the common yellow, which is a variety of Cartha- AA /< S/i A/,.? .-»7 ,/<*. yA^, ^"zitit /t<, /Atl. Az/z-A' A- t>A Si/tszi 1*7 Atf* A d. dft*t A{^ /? /, r/t /,.? ss A.tssdt ..', ■ y/ * < A, ;d a , - -' a . / ' / / ^ ■ / " - '' A- i-Add. ~ - A*i '* c-*yy*/X. 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A/t/SA-- eAzndAidisi* AA^yAd - //AziAAdiA duX<-y < ^ -, y/uzz/t-da A7rtAd *^ A/ dsAir' A A ' ' -1 ■ -" / l '* / ^ Attn../A-*- nf~ yy>dc.sz£ ~ fA/iUtis tt,£c, r/ltAASdyA. A*rt<- y '/y-idj yd ■ A7 A • / (l /*z£ /i z z/t t/. A. /z-tiyXA/A/*.l. ,^/Asx, l± /i-.AAc +.yAa *, y-^t. /7tx ztpt/A d*.ssy/d/f£d.f(t Ui^jA<.AA- S/^yzA. X6+*t4r7*,lzi,tA^t/st-7... -^n^^t^^i,. - /' Ay /A y. d y A • . /AAA ^y. ydh tuy?L/AXty.y A/cy^. "z<, 7?.t/y^./y-zz.Sz^n.-ytsn^^i-uiint-csxyyZ z/yzcty,-. ( 17 ) BLACK PEPPER.—PIPER. U.S. Dried berries of Piper nigrum. Ay General character of this plant and place of growth. The berries deprived of their outer- covering, constitute white pepper. • DrSr?„8Sto-ll2|0f- blackrPPer; volatile oil, an acrid concrete oil, and a white crystalline'" *.-S?£hei^penn' y thought t0 be the active princiPle'but now kno™ to be;» j .. -Therapeutical uses of black pepper. > CUBEBS.—CUBEBA. U.S. Dried fruit of Piper Citbeba, growing in the East Indies. /. jShape and size of Cubebs—colour and character of the surface—internal structure- odour—taste. , 2.---Activejn^edient, a volatile oil, obtained by distillation. Sensible properties of the oil *' —consistence. ------=---~-----------" &" iuff^tSi0f time and exPosure on cubebs. The powder an improper form for keeping. ^...Medical properties, those of an aromatic and diuretic—effect on the urine—therapeutical applications. r Dose of the powder, sjss. to giss. 3 or 4 times a day—of the volatile oil, 10 to 20 drops. PIMENTO.—PIMENTA. U.S. _ Berries ofMyrtus Pimenta—a handsome tree growing in the West Indies, particularly in Jamaica, and hence called Jamaica pepper. / , -■ Size, shape, and sensible properties. Origin of the name of allspice. £... Active properties supposed to reside in a volatile and fixed oil. Colour of the volatile oil. Dose of the oil, 3 to 6 drops. CARDAMOM.—CARDAMOMUM. U.S. Fruit of Alpinia Cardamomum—a plant growing in Malabar. j. -.Shape and size of the fruit—colour—relative virtues of the capsule and seeds—the former rejected in powdering—odour—taste—relations to water and alcohol. The virtues of the medicine reside in a volatile oil. It should be kept in capsules, not powdered. y. ...Much used as an addition to other medicines, particularly infusions, in the proportion of one or two drachms to the pint. Enters into numerous officinal preparations. ^••♦Compound tincture of cardamom, one of the most agreeable aromatic preparations. Dose, f^j. • , FENNEL-SEED.—FCENICULUM. U.S. Seeds of Anethum Fceniculum-t-a perennial herb—native of Europe—cultivated in this country. The whole plant possessed of aromatic properties. *. X-'Shape and size of the seeds—colour—relations to water and alcohol. - '« £.. -Volatile oil—Oleum Funiculi—mode in which obtained—colour—specific gravity. ^r...Infusion prepared in the proportion of 2 drachms to a pint.—Dose of the oil, from 5 to 15 drops. Other Aromatic Seeds, less used. CARAWAY—CARUM, U.S., from Carum Carui; CORIANDER—CORIANDRUM, U.S., from Coriandrum sativum; and ANISE—ANISUM, U.S., from Pimpinella Anisum. These are used in the same way, and for the same purposes, as the preceding. The oil of caraway is occasionally used in a dose varying from 1 to 10 drops. An aromatic fruit called star aniseed, derived from lllicium anisatum of China, is often substituted for the true aniseed. LAVENDER.—LAVANDULA. U.S. :U Flowering spikes of Lavandula vera—a native of the South of Europe, but cultivated *•* in our gardens. Their virtues reside in a volatile oil, which is separated by distillation, and used as a perfume. Dissolved in alcohol, it forms spirit of lavender. 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X A Xz^SU/!^ - Azu sZs-e-cy . A7-i -jy/ yy y.-^ y A/Ayt, AyA~ 7.7. . y At / ' , . tddz t A /, yi_ d.zrisi.vy.( £yyzty~i^.,yyi_ AASyA/iyAyA^.^^t. dy/LyA. iv A//Ad S- sZu-£.A/7Xtrti7 ,y,~y/-Lt.7Ai^-, yAA-Ly/y^^ ZyXy+A/ty, d-ux,/^ Az 7t-s- Ay *> .A /'A / A A '' / ' ■' A A AAidtfAn..yi/^zA-/~dAC/ dZzs^y&Az<~yz- zAA.yy f / jdAxyK-zY y/LdTuXAAAuA^ A Yl^oA- Aiddtds^Y ( 19 ) « '• !A ,df?PePsla Wlth«ut inflammation, and in all complaints consequent upon or sus- lained by debility of stomach. Also in chronic diseases of general debility, and particularly' A when associated with disorders of menstruation. In amenorrhcea when not attended with excitement. In deficient sanguification. In various nervous affections, as neuralgia and epilepsy. 6 Acts probably through the medium of the circulation. y,- " Numerous preparations—unnecessarily multiplied. U/°mhined iron not destitute of activity. Possibly oxidized in the stomach. Used in fj^ie Sj^J°/..Al(!2|£^^^en<«i^ Mode of purifying. Dose, 5 to 20 grains. ^.Iscales of iron—squama fern. Mode of preparing—chemical nature—mode of purifying f» —colour of the powder—mode of preparing the powder—dose, 5 to 20 grains. /^...Rustofiron. Rubigo ferri. Mode of preparing—chemical nature-r-colour—taste—in'.* ' solubility in water. Uses and dose the same as those of the following. Subcarbonate of Iron.—Ferri Subcarbonas, U.S. Formerly called Precipitated carbonate ^ // jf ,V.;°ff,-.»-Mode of preparing—chemical changes and nature. Form—colour—taste—smell' ~ —insolubility in water—partial solubility in water with carbonic acid. One of the best chalybeates. Mild and effectual. Dose, 5 to 20 grains, in pill or powder—in neuralgic cases from ^sS to 3j. 3 times a day and gradually increased. Protocarbonale of Iron.— Vallefs Ferruginous Pills.—Pilulm Ferri Carbonatis, U. S. Z,.-- Mode of preparing—chemical composition—influence of saccharine matter in their preser- vation. Advantages over other chalybeates. Dose. Sulphate of Iron.—Ferri Sulphas, U.S.—Green vitriol—in commerce copperas. Mode '3y' of preparing—chemical nature—colour of crystals—taste—effects of exposure—solubility in T' water—insolubility in alcohol—effects of exposure on the solution—effects of heat—colour and form of the dried _sulphatc. Incornpatibles. .Medical'uses. Unsafe in large doses— *■ "effects of over doses. Dose of the crystallized", from 1 to 5 grains—of the dried, from \ grain to 3 grains, 3 or 4 times a day. If given in pills, the dried preferred—reason of this. Com.' pound mixture of iron (Mistura Ferri Composila, U.S.). Uses. •* Tincture of Chloride of Iron.—Tincturu Ferri Chloridi, U.S. Mode of preparing— fS/' chemical nature—form—colour—odour—taste—incompatiblcs—medical uses. Dose, 10 to 30 minims, 3 or 4 times a day. «. /£•■ -Tailrule of Iron and Potassa.—Firri el Potasses Tnrtras, U.S. Mode of preparing— chemical nature—form—colour—taste. Solubility in water—effects of exposure. A mild chalybeate. D >se, 10 to 30 grains. Tartrate of Iron and Ammonia has been used. A\ ff... Phosphate of Iron.—Ferri Phosphas, U.S. Mode of preparing—chemical nature—form ;—colour—insolubility in water—medical uses. Dose, 5 to 1 0 grains. /tf.. .Iodide of Iron.—Ferri Iod.idum. Mode of preparing. Used in a solid form and in so- lution. Latter usually preferred. Officinal under the name of Liquor Ferri Iodidi, U.S. Effects of exposure on solution, and mode of obviating. Particular application. Dose, in substance, 2 to 5 grains. Dose of solution, 15 to 40 drops. /^...Besides these chalybeates, the Ferrorynnuret of iron, Acetate of iron, Ammoniated iron, A Tartrate of iron, Lactate of iron, and Citrate of iron, are sometimes used. COPPER.—CUPRUM. U.S. In small quantities, the preparations of copper have little sensible effect on the system. It may be inferred, from their effects in disease, that they exercise a general tonic influence, which is extended especially to the nervous system. In larger quantities they act as poi- ; sons. It is probable that, in this case, their -action is local, consisting, according to the amount taken, of irritation, inflammation, or disorganization of the part acted on. It is. doubtful whether they can be introduced into the system by way of absorption in quantities large enough to prove greatly detrimental, without producing at the same time dangerous '• or fatal local disorganization. Hence, in the administration of copper, it is necessary to guard chiefly against inflammation of the stomach and bowels. It is not certainly determined whether copper, in the metallic state, has any influence on the system. Cases are recorded in which little or no injury has resulted—others in whieh"' jthaspnjved detrimental. It is probable that, in the latter cases, it was oxidized, or formed *• saline combinations in the stomach. 2, ...Poisonous effects from copper vessels in cookery—from mineral-water fountains. The following preparations are officinal in this country:— . ■$ fj[• •• Sulphate of copper.—Cupri Sulphas, U. S.—Blue vitriol. Mode of preparation—charae-' * ter of the crystals—colour—effects of exposure—chemical nature—solubility in water—in- solubility in alcohol—colour of the solution—taste—effects of heat—incornpatibles. X... Effects in moderate doses on the system—on the stomach—poisonous effects—appear-'^ y. ance on dissection—treatment—antidote—therapeutical application, both internally and ■J* externally. Dose, one quarter of a grain, 2, 3, or 4 times a day, gradually increased, and oniitted.or.', reduced when irritation of stomach is occasioned. Given in pill. ( 20 ) S .., Ammoniated Copper.—Cuprum Ammoniatum, U. S. Mode of preparation—phenomena • and rationale of the process—chemical nature—colour—odour—taste—solubility in water —incornpatibles. y.. .Therapeutical applications. Dose, half a grain twice a day, gradually increased. / ZINC—ZINCUM. U.S. The preparations of zinc are mild tonics, thought to have an especial direction to the nervous system. They are similar to the preparations of copper, but much less energetic. ^ Zinc in the metallic state is inactive. . % /».. Sulphate of Zinc.—Zinci Sulphas, U.S.— White vitriol. Mode of preparing—chemical .* composition—shape and colour of the crystals—taste—solubility in water and alcohol—,i\^ effects of exposure—effects of heat—incornpatibles. m .. . Effects on the system and on the stomach—effects of over doses. Therapeutical applica- tions, internal and external. Dose as a tonic, from half a grain to 2 grains, in pilLor solu- tion. As a local application, used in solutions, containing, when applied to mucous surfaces, from 1 to 2 grains to the fluidounce—when to cutaneous eruptions, from 5 to 10 grains— when to ulcers, in order to change the action of their surface, from 10 to 20 grains. With acetate of lead as an external application—proportions, 2 grains of sulphate and 3 grains of acetate to f ^j. of water—chemical changes.__Acetate of zinc sometimes used in J . .rthe pure state—1 or 2 grains to f^j. of water. '/. _... Oxide of Zinc.—Zinci Oxidum, U.S. Mode of preparation—form—colour—odour—taste '—relations to water and alcohol—effects on exposure. y".__.Therapeutical applications, internal and external. Dose, 5 grains. Ointment officinal under the n^rne of Unguentum Zinci Oxidi, U. S. Uses. Impure Oxide of Zinc.— Tutty.— Tutia. Used in the form of ointment. £.- Carbonate of Zinc.—Zinci Carbonas, U.S.—Calamine. Source—preparation—chemical nature—form—colour—taste—relation to water. Used externally in the form of cerate— Turner's cerate (Ceratum Zinci Carbonatis, U.S.). Applications. BISMUTH.—BISMUTHUM. U.S. Sub-nitrate of Bismuth.—Bismuthi Subnitras, U.S.—White oxide of bismuth.—Magistery ■ < / of Bismuth.^,Mode of preparation—chemical nature—form—colour—taste—smell—effects on the system—local effects of over doses. Therapeutical applications—effect on the stools. Dose, 3 to 10 grains in powder or pill. V SILVER.—ARGENTUM. U.S. y.. .Nitrate of Silver.—Argenli Nitras, U.S.—Lunar caustic. Mode of preparing it—chemical nature—forms in which it is kept in the shops—consistence—colour—fracture—solubility in water and alcohol—taste of the diluted solution—effects of light—effects of heat—incorn- patibles—influence of common salt. 2. • • -Effects on the system—effects on the stomach—poisonous effects—proofs of absorption —effects on the skin—explanation—effects when externally applied. Therapeutical appli. cations. Dose, an eighth of a grain, 3 times a day, gradually increased to 3 or 4 grains. Caution necessary.__Given injpill. _Mode of preparing the pill—treatment in cases of over doses— *•* ~antidote. , A- A . y,; ■ ■ Chloride of siZcer^and oxide of silver have been substituted for the nitrate. . Several preparations of gold have been used, but not generally adopted. Complaints to $ .which they have been applied. SULPHURIC ACID.—ACIDUM SULPHURICUM. U.S. i Eormerly oil of vitriol.^ Not usedjn its concentrated state^, Incornpatibles. '' , .Effects on the system. In small doses sufficiently diluted, increases the appetite, pro- motes digestion, and acts at the same time as a general astringent and refrigerant. Larger doses occasion uneasiness or pain in the stomach—still larger, inflammation or disorgani- 'is zation. Concentrated, a violent corrosive poison. Mode of treatment and antidotes. , # .. .Remedial applications, internal and external. Used in the following forms. /.. Diluted Sulphuric Acid.—Acidum Sulphuricum Dilutum, U.S. Preparation—sensib.le^i "properties—much diluted when taken—swallowed through a quill. Dose, 10 to 30 drop's,' ' 3 times a day, or more frequently, in f^iij. or f.^iv. of plain or sweetened water. £U—Aromatic Sulphuric Acid.—Acidum Sulphuricum Aromaticum, U. S.—Elixir of vitriol. Preparation—colour—odour—taste. More used than the preceding. Dose and mode of- "" administration the same. \ £, r ^Ointment of Sulphuric Acid. Made in the proportion of gj. of acid to ^j. of lard. Mutual decomposition. Applied in scabies and other eruptions. ' 7 A .'■ A" S . y ./ - ' y dAA//z,-d-s-L y -ydc 'y^^a/, v oziy/A-yd ,/tAt zd ^AA ^.AA/ / /std^^ s ,t. / sA A- zz A Ay~ z ' / •* ^/t/cAyA /y /ti^A,/^ as fA/-*trAAAc., /7/t.XA\ /,*7z yA Zt y/yy ;/zs^yz^ / X'' '' //-lld/iyZ ,,/ ■/-/; /A/, tP t st /t<.SL, y^~X?//,- id/ccc/fL '?<-y'~ d/iXxAd AAY'T-t-ydAtyyyy-LZ 6/ A-y. TAAyAd^ XtS/y A*~? 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The former colourless or slightly yellowish—the latter of a deep orange. The latter consists of nitric acid with some deutoxide of nitrogen, and by dilution is converted into nitric acid—therefore as .takenJhs not different from the fomiei^lncompati blcs. Effects on the system, those of a tonic and refrigerant. Concentrated, a corrosive poi- * 3^2^Treatment of the poisonous effects. Therapeutical applications. Dose of the strong- est acid, 2 to 5 minims in a wineglassful or more of water, which it renders decidedly but agreeably sour. The acid often weak in the shops. Its strength judged of by its taste when diluted. Dose gradually increased—if too large, produces cramps in the stomach. 3#. . Hope's mixture of nitrous acid, camphor water, and laudanum, given in dysentery, diar- rhoea, and cholera infantum^,External use of nitric acid, diluted or in the form of oint- *4 »"ment. It should never be given in silver. MURIATIC ACID.—ACIDUM MURIATICUM. U.S. /,. .Mode of preparing the officinal acid—form—colour—specific gravity—odour—taste when diluted, incornpatibles. Effects on the system. Therapeutical applications. Dose, 5 to 20 drops, in f Jiij. or f^iv. of sweetened water, frequently repeated. In gargles, fgj. to f^vj. of water. NITROMURIATIC ACID.—ACIDUM NITROMURIATICUM. U.S. £.. Mode of preparing—chemical changes—composition of the resulting fluid. Proofs that reaction has taken place. Advantage of adding sulphuric acid when the nitric and muri- atic are feeble. ^..Effects on the system. Therapeutical applications. Dose, 2 to 10 drops, 3 or 4 times a day, in sufficient water—to be gradually increased as the stomach will bear it. Modes of external application—in wooden vessels. Strength for external use, f §j. to Cong. j. for bath —f Jjij. to Cong. j. for footbath. Temperature 96° F. A . ■ .Water of chlorine—nature—therapeutical applications. Chlorine itself inhaled in affec- tions of the chest. Great danger from its incautious use. It should always be very largely diluted with atmospheric air. ( 22 ) CLASS III. ARTERIAL STIMULANTS. General Observations. Medicines which excite the circulation, with little comparative influence on the nervous. , ^Applicable to cases of great prostration, when sufficient energy of system remains to sustain it at the point to which it may be elevated. Much care is requ,s.te in their use even in cases of prostration. When this depends on external violence, as in concussion or .. the brain, or occurs in the first stage of acute diseases, as in the chill of fevers, caution is necessary, in consequence of the danger of the subsequent reaction. In such cases, their internal use is to be avoided unless essential to life, and external stimulation is greatly preferable. When the debility occurs in the course of an acute disease, they may be used more freely, as there is less danger from reaction. The existence of inflammation is not always an obstacle to their use. In such a case when called for by great depression ot the vital actions, more care is demanded than in the absence of inflammation. In the suppurative or gangrenous stage of inflammation, they may be used freely if called for by the symptoms. The tendency here is to health, and stimulants support the vital actions. till the requisite changes have been accomplished. The number belonging to this class is very large, but most of them possess other proper- tics also, which rank them in other classes. Those only are mentioned here which are used ^ chiefly in reference to their stimulant properties. CAYENNE PEPPER.—CAPSICUM. U.S. Fruit of Capsicum annuum, and other species. An annual plant, cultivated but not indigenous in this country. /...Character of the fruit—shape—nature of the surface—colour—internal arrangement— colour of the powder—effect of exposure—odour—taste—relations to water and alcohol. Active ingredient, a peculiar acrid principle called capsicin, not volatile. 9 Effects on the system—therapeutical applications. ■^ Used in substance, infusion, and tincture. Dose of the powder, 5 to 10 grains, given in pill__0f the infusion, made with two drachms to half a pint of boiling water, fgss.—of the tincture, f£). or f^ij^Mode of preparing Cayenne pepper as a gargle. *** " OIL OF TURPENTINE.—OLEUM TEREBINTHUNME. U.S. Often called spirit of turpentine. Source and mode of preparing it. ^ ..Properties—form—colour—odour—taste—specific gravity—solubility in water, alcohol ^'and ether—chemical constitution—effects of exposure—mode of separating the resin. ts'. ..Effects on the system. Therapeutical applications with a view to its stimulant properties. "*Dose, 5 to 20 drops every half hour, hour, or 2 hours, in acute cases—2 or 3 times a day in chronic cases—to be suspended if it induce strangury. Best given in emulsion with gum Arabic, loaf sugar, and cinnamon water or mint water. If it purge, laudanum may be added, when not contra-indicated by disease of the brain. PHOSPHORUS. A powerful stimulant, perhaps the most powerful. Dangerous. Seldom proper to pre- ^ ' scribe it. Should never be given in substance. Best administered in oleaginous or ethereal solution. Dose, one-twelfth of a grain. CARBONATE OF AMMONIA.—AMMONLE CARBON AS. U. S. Z, ■ • • Improperly called volatile alkali, as this name belongs to pure gaseous ammonia. Mode of preparing it__properties—form as it is kept in the shops—colour—translucency—smell __taste__solubility in water and alcohol—effect on vegetable blues—precise chemical na- ture__change on exposure in appearance and composition—signs of goodness. .Effects on the system. Increases the circulation and invigorates generally the vital functions, without any decided tendency to the brain. 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U.S. Root of Valeriana officinalis—an herbaceous perennial, indigenous in Europe. / Shape and aspect of the root—colour—colour of the powder—odour—taste—relations to water and alcohol. Active ingredients, a volatile oil, and a volatile acid called the valerianic, which rises with the^oil in distillation.—Sensible properties of the oil of valerian. j.. .Effects onThe system. Therapeutical applications. Administered in powder, infusion, "tincture, and oil. Dose of the powder, 30 to 90 grains—of the infusion, f^ij.—of the tincture, from f^j. to f^iv.—of the oil, from 4 to 6 drops—each dose to be repeated 3 or 4 times daily. Decoction and extract objectionable. OIL OF AMBER.—OLEUM SUCCINI. U.S. / ■ ■ -Origin of amber—shape—size of the pieces—translucency—colour—fracture—nature of the surface—taste—odour—relations to water and alcohol—effects of heat—products of distillation. * 2,- --Mode of preparing oil of amber—appearance of the impure oil—mode of purifying. £.. Rectified Oil of Amber.—Oleum Succini Rectificatum, U.S. Consistence—colour— odour—taste—effects of heat—relations to water and alcohol—effects of exposure. j .. - Effects upon the system. Therapeutical applications, internal and external. Dose, from 5 to 15 drops, in emulsion. Various other vegetable products exert a stimulant influence over the nervous system. Among them are the following;— ^...GARLIC.—ALLIUM. U.S. Bulb of Allium sativum. Much used externally to re- lieve or obviate spasm, and to allay nervous irritation. The bruised bulbs applied in poul- tices to the feet, and with hot br»ndy as a lotion to the spine, chest, and abdomen. Treated of more fully in another place. ■y .. .TEA and COFFEE also, together with tonic and astringent properties, possess those of a powerful stimulant to the nervous system. Effects upon the system. Therapeutical applications. j. SKUNK CABBAGE.—DRACONTIUM U.S. Root of Symplocarpus foetidus. An ' indigenous plant. Place of growth—character of the plant—odour of the recent root— effects of time and exposure—influence on the system—therapeutical application. 4 ( 26 ) CLASS V. CEREBRAL STIMULANTS. General Observations. Medicines which, with a stimulating influence over the circulation and the general ner- vous system, conjoin a peculiar determination to the brain. Called narcotics from the stu- / por which they produce in large doses. .Reason for abandoning the old class of narcotics. The only points of resemblance between individuals composing the class of cerebral stimu- lants, are those mentioned in the definition. In all other respects they differ more or less from one another. They differ in the degree of their power, in the relative degree to which they affect the different systems or organs respectively, in the precise manner of affecting these systems or organs, and in their several local tendencies. Illustrations of these state- 2- --ments. The different character of the cerebral symptoms produced by the different indi- viduals, is partly perhaps ascribable to a direction to different parts of the brain;. Illustrations. *• """ TJeT^raTlitimuTants, Hke^alTottieTs, are followecTby prostration proportionate to the pre- vious excitement. Caution is requisite not to confound this prostration, which is a secon- dary effect of the medicine, with that apparently sedative influence upon certain functions i which attends its primary action.__Explanation. /7**" In very large doses, the cerebral stimulants exert a less stimulant influence over the cir- culation, and a greater energy of action on the brain, which they disable from receiving and transmitting due impressions. Life is destroyed by the cessation of respiration con- >> jieqnent upon the want of cerebraHnfluence. .Proofs of this fact. Suggested that these medfcines may act partly through1 the medium of the brain and nerves, partly in consequence of absorption and entrance into the circulation. Perhaps the different symptoms produced by them in different stages of their action may be ascribed in some measure to this cause. They produce their peculiar effects on the system to whatever part they may be applied. Their influence is diminished by habit more rapidly than that of any other class of medi- cines. Having no corrosive power, and in many instances no decided tendency to excite local inflammation, they may be given, in gradually increasing doses, till an enormous amount may be taken at one time with present impunity. It is necessary gradually to increase their dose in order to obtain from them the same impression. When the suscep- tibility to one is lost or very much diminished, another of analogous properties may be advantageously substituted. These medicines require to be given with caution. Besides the immediate danger from an overdose, they produce, when long continued, conditions of system which often result fatally. They wear out healthy susceptibility, and consequently produce ultimately a state of gene- ral debility, while, by the over excitement of particular organs, they give rise to local inflammation. As therapeutical agents, they are more powerful than any other class in supporting the system under a temporary failure of its powers. Reason for this stated. They may be made to act as substitutes for the purely nervous stimulants, by reducing the dose; as in this way their general influence over the nervous system is obtained, with less of their ac- tion on the brain. Illustrations of this fact. Difference in their mode of action, in cases of nervous disorder, as nervous stimulants and cerebral stimulants. Different names given to the medicines belonging to this class, in reference to different effects which they produce. Thus they are called narcotics from the stupor they occasion, anodynes from their influence in relieving pain, and soporifics or hypnotics from their effect in inducing sleep. ALCOHOL. /■• • Product of vinous fermentation. Explanation of this process. Different fermented liquors. Distillation of these jiffords the spirituous or distilled liquors. Proof spirit. Dif- " fcrent spirituous ffquors. Proportion oFalcohol in these liquors. By redistillation, officinal „ alcohol of sp. gr. .b'.15 obtained. .Alcohol cannot be obtained entirely pure by distillation. » ■ Absolute alcohol not used in medicine. Officinal alcohol or rectified spirit contains 15 per cent, of water. .Uses of officinal alcohol in pharmacy and medicine. Diluted alcohol of the (XiyidAzzxA ' Az/t/zttz YszdzzAA. 7. /Adyrtc^. dA.Ayy / a Sy,~y/z/A^Y ^//^/C^ yZy./Lz7./y y.^tA.X/A 2. 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A AdYd.yA/,U*^ AL yy^.y d.n.,y„y^ <;,<& y , '' ' ' * y zA ySzAy,. s'ubstance, usually in the form of pill. Mode of preparing the pill. Medium dose 1 grain. jf ^^nctudbJVpium.— TincturaOpii, U.S.—Laudanum. Thebaic tincture. Advantages A'foT this form. Mode of preparation. Dose, equivalent to one grain of opium, 13 minims / £J or 25 drops. Caution in relation to laudanum long kept. Mode of applying it externally. ,o ...Camphorated Tincture of Opium.— Tinctura Opii Camphorata, U. S.—Paregoric elixir. t ( 28 ) /£. Ingredients. Sensible properties. Two grains of opium in every fluidounce. Advantages^ ' of this preparation. Dose, for the purposes for which it is ordinarily given, fgj. 2 0. ... Acetated Tincture of Opium.— Tinctura Opii Acetaia, U.S. Substitute for Acetum opii or black drop. Mode of preparation. Dose, equivalent to one grain of opium, 10 minims or 20 drops. % / ■ - ■ Vinegar of Opium.—Acetum Opii, U. S.—Black drop. Mode of preparation. Advan- tages. Dose, equivalent to one grain of opium, 7 to 10 drops. * o... Morphia. Mode of preparation—form—colour—taste—effects of heat—relations to water, alcohol, ether, the fixed and volatile oils, the acids, and the inorganic alkalies—tests—state of combination in which it is employed. 2 ? .. • Sulphate of Morphia.—Morphia. Sulphas, U.S. Mode of preparation—form—colour— solubility in water. 2 a . Acetate of Morphia.—Morphia Acetas, U.S. Form—solubility in water. -g-. Muriate of Morphia.—Morphias Murias, U.S. Form—solubility in water. 2&. .Peculiar physiological effects of morphia and its preparations. Cases in which they are preferable to opium. Dose, one-sixth of a grain, equivalent to one grain of opium. Given in pill or solution. There is an officinal solution of the sulphate. 2"f. ■ Solution of Sulphate of Morphia.—Liquor Morphia Sulphatis, U.S. Proportion of the / sulphate to water, 1 gr. to f^j. Dose, from fgj. to f £ij. 2$ ..External use of the salts of morphia. Mode of application. Quantity applied. LACTUCARIUM. U.S. . Inspissated milky juice of Lactuca sativa, or garden lettuce^.. Mode of collection. * ~7.Tropert\es—form—colour—odour^—taste—relations to water—chemical constitution. '' Effects on the system. Practical application. Dose, 2 or 3 grains. asz/ __, _. ----------------- ~^ henbane leaves.—hyoscyami folia. u.s. henbane seed.—hyoscyami semen. u.s. /.-■ Leaves and seeds of Hyoscyamus niger—a biennial, herbaceous plant—indigenous in Europe. Leaves of the second year preferred. £• --Odour of the recent and of the dried leaves^taste—relations to water and alcohol. Virtues ascribed to a peculiar alkaline principle called hyosciamia, but uncertain. ? ... Shape, size, and colour of the seeds. /*. .-Effects of hyoscyamus on the system. Points in which it differs from opium. Effects "^ * of overdoses. Effect on the pupil. Therapeutical applications. Dose of the leaves, 5 to 10 grains. These rarely used. The medicine is most commonly employed in the foAn of extract. tf. ..Extract of Henbane.—Extractum Hyoscyami, U.S. The inspissated juice. Mode of preparation—consistence—colour—odour—taste. An alcoholic extract also directed by U. S. Pharmacopoeia. Dose of either, 2 or 3 grains, repeated frequently till the medicine produces some effect. Tincture of Henbane.— Tinctura Hyoscyami, U.S. Dose, f^j. HOPS.—HUMULUS. U.S. j.. .Fruit or strobiles of Humulus Lupulus. General character of the plant. Indigenous in Europe and North America. Mode of collecting and preparing the strobiles for market. 2..- Properties of hops—form—colour—structure—texture—powder about the base of the scales—odour—taste—relations to water and alcohol. Active ingredients, a volatile oil and a peculiar bitter principle found most abundantly in the powder about the base of the scales. The powder is called lupulin. jt.. Lupulin.—Lupulina, U.S. Mode of collection—form—colour—odour—taste—effects of heat. ^...Effects of hops on the system. Remedial applications internal and external. Given in infusion and. tincture. Dose of the infusion, made with half an ounce to a pint of water, f^ij.—of the tincture, from f^j. to f£ss. Lupulin used in substance 'and tincture. Dose, 6 to 12 grains, given in the form of pill —of the tincture, fgj. to f'3ij. CAMPHOR.—CAMPHOR A. U.S. / - • -Product of Camphora officinarum (Laurus Camphora of Linnaeus)—an evergreen tree indigenous in China and Japan. .Mode of obtaining the camphor. State in which it is brought into market. Mode of refining. 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Al. /U^sdA/Adz/, Xsv-y A //A zid^yus tyAArhy /Ht^z/yyysAd y y t?s*yyyy^ a ■ A A ' A A-A • C,y' \ ye .^AzUcyi^/f fu\ i./z. aAYay/S y/A^y-y^^s yddyyyz^AcAAd^YyA"i'ydAdXy zYA. /UAYy*i*Ay - z^.Azx y dy- .AnuysYz z^zAsty ^, AAyy> j/dz^zAz^z^dy _ . ,^ " A/' / A ' . y / / ff A /jZc^y^j s?tyzyyAl£^ d^ ZA-z-yd.--^ ^ >*ddy. ( & ) flammability—relations to water, alcohol, ether, volatile and fixed oils—reaction of water upon the tincture—effects of union with resins and fats—chemical nature—mode in which it is best kept. Jk ..-Effects on the system—poisonous effects—therapeutical applications. ' Medium dose, 5 to 10 grains—but the dose may vary from 1 to 20 grains. Given in the / Jp/'n of bolus or emulsioru__^Objection against the former. Modes of preparing the emul- /&Asion^ Given"TflscT'iri solution. Camphor water {Aqua Camphora, U.S.) an officinal pre- paration. Mode of preparing it. Strength of the solution. Purposes for which it is used. Dose, f^j. or f.^ij. or more. Camphor is used also in tincture. Strength of the tincture. Dosev'5 drops to fgj. £. - .External use of camphor. Applied in spirituous or oleaginous solution/ Officinal pre- parations, 1. Camphorated Tincture of Soap (Tinctura Saponis Camphorata, U.S.); 2. Cam- phorated Snap Liniment (Linimenlum Suponis Camphoratum, U.S.) commonly called opodeldoc; 3. Camphor Liniment (Linimentum Camphora, U.S.). BELLADONNA. U.S. Leaves of Atropa Belladonna—a perennial herb, indigenous in Europe. Whole plant narcotic. Commonly called Deadly nightshade. j . .-Shape of the leaves—colour when dried—odour—taste—virtues said to reside in an alka- line principle called atropia. + . ..Effects on the system. Poisonous action.. Treatment of its poisonous effects. Thera- ' peutical applications. Used in substance, infusion, or extract. Dose of the powder, gr. j. night and morning—of the infusion, made with one scruple to ten fluidounces of water, f^j. or fgij.—of the extract, or inspissated juice (Extractum Belladonna, US.), much moire employed in the United States than any other preparation, one-fourth or one-half a grain twice a day. An alcoholic extract also directed by U. S. Phanriacoppeia^ ^Reasons for beginning with a small dose. The quantity to be gradually •^ "increased, if necessary, till some effects upon the system are produced. Evidences of these effects. . .External use in the form of plaster (Emplastrum Belladonna, U.S.), and as an applica- tion to the eye and the os uteri. 4' STRAMONIUM LEAVES.—STRAMONII FOLIA. U.S. STRAMONIUM ROOT—STRAMONII RADIX. U.S. STRAMONIUM SEED.—STRAMONII SEMEN. U.S. Leaves, seeds and root of Datura Stramonium—an annual plant, growing wild in all j ..quarters of the woild. Situations most favourable to its growth.'- Common names. *'' ' Leaves. Odour in the recent state—taste. - " 2' Seeds Shape—colour—odour—taste—relative activity—relations to water and alcohol. **• Virtues of Stramonium ascribed to an alkaline principle called daluna, the existence of which, however, is doubtful. ' Effects on the system. Poisonous action. Evidences of this action and mode ot treat- ■'A-'ment TheraoeiMical applications. Dose of the seeds, one grain—of the extract ot the A seed's '(ExtractumStramonii Seminis, U.S.), from one-fourth to half a grain-of the pow- dered leaves, 2 or 3 grains—of the officinal extract or inspissated juice of the leaves (Ex. tractum Stramonii Foliorum, U.S.), one grain night and morning, gradually increased till tHExternal use of stramonium. .Employed in the form of an ointment (Unguentum Stra. monii, U.S.) BITTERSWEET.—DULCAMARA. U.S. Stem and branches of Solanum Dulcamara, or woody nightshade. Character of the plant, J'' ;;:1ha1pTan°dfs!zeOWof Ae twigs-structure-nature of the surface-colour-odour-taste- 2 relations to water. . -Virtues ascribed to a peculiar alkaline principle called\solanui. mi________.wlnnl nr\r\lm'i( inn a I Sill;) IIV t *'is officinal! DoseX^ij. four times a day. The extract (Extractum Dulcamara, U.S.) may be given in the dose of from 5 to 10 grains. HEMLOCK LEAVES.—CONII FOLIA. U.S. HEMLOCK SEED.-CONII SEMEN. U.S. a *ab «f Cnnium maculatum—a biennial, umbelliferous plant, indigenous in ( 30 ) / . .. whole plant narcotic. Most so in warm latitudes. Mode of collecting and preserving the leaves. • • Properties of the leaves—colour—colour of the powder—odour—taste—relations to water, alcohol, and ether. Appearance of the seeds. Active principle, probably a peculiar volatile alkali called conia. .. ..Effects on the system. Poisonous properties. Therapeutical applications. Cose of the powdered leaves, 3 or 4 grains—of the extract or inspissated juice of the leaves (Extractum --/• Conii, U.S.), 3 grains, repeated 2 or 3 times a day. The dose to be;gradually increased <,.. till some effect on the_system is produced. ^Evidences of such effect. Caution in relation ' to the use of different parcels of the medicine. 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' S A?zAzj/i //*?/, /ydu yz dA^/yyyA^/y^^ / tY/AUdi^ jLr* / dJAz.AYyf./A'AyAdYyy yyfdy/z/ Yy z [y ziY, d/Y A, YY A '/^d/dtd tYd/Y^ Y.c~SM \,/A, td'A*«^/zz/^Y- YYd ^/^ // y/- / _ ^^ / y / y?/y -d\Ay-'"«y,tVZ:Zy/vy/^ys?y.jU^ AAc ^y^yz^A A/fd-Aru A/U' y'zyyA A'- ' ^ /■ * y , X /// Ayyys/^d^yy, f ^yt^//tP ty^^AA yzrti, t&d+zAAd^y/^ t,^^ ,/// ( 31 ) CLASS VI. ARTERIAL SEDATIVES. General Observations. Sedative medicines are those which, by their immediate influence, produce a reduction of the vital actions. Some of these are directed more especially to the circulatory system, re- ducing the action of the heart and arteries, without any immediate influence upon the ner- vous power. These are called arterial sedatives. Others reduce at the same time arterial and nervous power; and these, for the sake of convenience, we call nervous sedatives. / . . . The arterial sedatives, though in their primary action confined to the circulatory system, undoubtedly affect the nervous system also; but only in a secondary manner. The two systems are so closely connected by sympathy, that any great disturbance of the one sel- dom exists without inducing disorder in the other. Though sedative in their general influence, these medicines may be stimulant in relation ' '«* * to particular functions or organs, and in large quantities often act as local irritants. '• An obvious indication for the use of the arterial sedatives is afforded by increased vascu- lar action, resulting from an increased display of the vital energies. Hence their use in all inflammatory diseases attended with fever, and not complicated with typhous tenden- cies; and in all fevers in which the grade of action is above the healthy standard. Refrigerant medicines belong to this class. They opeiate in general by reducing the excited action either of the heart or of the capillaries, from which the increased heat arises. ANTIMONY.—ANTIMONIUM. Even in quantities too small to produce obvious effects, the antimonials are not without influence on the system. They occasion some modification of the vital actions, which, though so slight as to escape notice in health, is yet important in some cases of disease. Medicines which act in this way are called alteratives. In larger quantities, given so as to operate upon the system, without producing nausea, they depress the movement of the heart and other parts concerned in the circulation, as indicated by a slower and weaker pulse, and a less vigorous impulse of the heart when examined by a stethoscope. At the same time the surface becomes cooler and paler, and r . . - respiration less frequent. Sometimes, by proper management in the increase of the dose, and in the regulation of the diet, this depressing influence may be exhibited in a powerful degree without any especial action on the stomach. • • Usually, from doses calculated to produce a decided sedative impression on the circula- tion, nausea or sickness of stomach also results, which, by its own depressing agency upon the circulatory function, very much increases the sedative influence of the antimonial. This combined action is sometimes desirable when great relaxation is to be produced; but the local impression on the stomach should be avoided in cases of inflammation or great irritation of that viscus. In still larger doses, thai: antimonials usually vomit. Of this effect, more will be said under the head of emetics. These preparations are apt also to irritate the bowels, and to occasion purging, especially if not thrown off from the stomach by vomiting. Very large doses sometimes occasion ""■ - • -violent vomiting and purging, with great and dangerous prostration. While operating as general sedatives to the circulatory forces, the antimonials appear to stimulate the secretory functions, being directed to one- or another of these functions, s .. .according to the circumstances under which they are given, or the mode of administration. The effects of antimonials upon the heart and arteries, and upon the secretions, probably depend upon their entrance into the blood-vessels by means of absorption. On the stomach they probably act by an immediate irritation, though they appear to have a peculiar ten- dency to this organ, as, even when introduced into the system by other routes, they are said to act as emetics. .... . Applied in large quantity to any part of the body, they produce local irritation or lnflam- mation. Thus, tartar emetic, when applied to the skin, gives rise to a pustular eruption, and on a surface unprotected by the cuticle is capable of acting as a caustic. Metallic antimony, administered in very fine powder, is capable of producing all the ( 32 ) general effects of its preparations; but its activity probably depends upon chemical changes which it undergoes in the stomach, and its operation is too uncertain to be depended on. The preparations which have at different times been employed are very numerous. It ,., is sufficient to notice three—viz. 1. tartar emetic, 2. the precipitated sulphuret, and 3. the antimonial powder. ___„«„,. «n *-i' TARTRATE OF ANTIMONY AND POTASSA.—ANTIMONII ET POTASStE TARTRAS. U.S.—Tartar emetic. Tartarizedyntimony.^ .Chemical nature.** Mode of A 'preparationATfeason whyTT should always be crystallized. 2. .-Shape of the crystals—colour—effect of exposure—odour—taste—relations to water and alcohol—effects of time upon the aqueous solution—incornpatibles. The best of the antimonials. In small doses, used as an alterative in chronic cutaneous diseases, scrofulous affections, chronic pulmonary complaints, &c; in somewhat larger doses, as a refrigerant or arterial sedative in febrile and.inflammatory complaints, particu- «3- 'lady bronchitis aRd pneumonia, and in "hemorrhages. "Employment of very large doses in pulmonary inflammations. Acts in this way doubly, 1. as a sedative, 2. by revulsion to the / stomach and bowels. ..Dangers of this mode of using tartar emetic. Poisonous effects. r~' Resemblance to malignant cholera. Treatment. S. """' Dose of tartar emetic as an alterative, from one thirty-second to one-sixteenth of a grain, dissolved in a large proportion of water, and repeated so that from one-fourth to one-half a grain may be taken daily;—as a sedative, from one-twelfth to one-sixth of a grain or more. Antimonial Wine.— Vinum Antimonii, U.S. Solution of tartar emetic in wine in the /C . .jprorjortbn^^a^rainsJoJ^j^^-Advantages of this preparation, and of wine as a solvent. ^~Tniution necessary in the choice of the wine. Disadvantages of the inferior varieties. r ..This preparation should be used only in cases requiring small doses of the antimonial. PRECIPITATED SULPHURET OF ANTIMONY.—ANTIMONII SULPHURE- TUM PRiECIPITATUM. U.S. Mode of preparation. Mode of preparing Hermes'1 mineral and golden sulphur of antimony. Difference between these and the officinal pre- cipitated sulphuret. Colour of the three. Relations to water and alcohol. /A . • • Operation upon the system. Therapeutical applications. Dose as an alterative, 1 or 2 grains—as an emeto-cathartic, 5 to 20 grains. . • ANTIMONIAL POWDER.—PULVIS ANTIMONIALIS. An imitation of James's powder. Mode of preparation. Chemical nature. Colour—taste—smell—insolubility in water. Uncertainty of medicinal effect. Therapeutical applications. Dose, 3 to 8 grains. T- // /. 3. SALINE SUBSTANCES. Almost all the neutral alkaline salts, and those in which the acid predominates, are sedative in their influence on the circulation. Usually called refrigerants. They produce this effect independently of their purgative action or influence upon the secretions. But they are chiefly used in reference to these latter effects, and only incidentally as refrige- rants or sedatives. Therefore more properly treated of under other heads. One of them only so prominently sedative as to require consideration here. , NITRATE OF POTASSA.—POTASSjE N1TRAS. U.S.—Mtre. Saltpetre. Whence imported. Mode in which prepared. Artificial nitre beds. State as imported.t Mo.de of refining. • - Shape of crystals—colour—odour—taste—solubility in water—insolubility in alcohol— absence of water of crystallization—water mechanically present—effects of heat. In moderate doses repeated frequently, lessens the force and frequency of the pulse, and diminishes animal heat. .Suggestion as to its modus operandi. Stimulates the secretory functions, particularly" that of the kidneys—in some measure also that of the skin. Dimin- / . . .ishes the energy of the stomach, and causes indigestion. In large doses, it often occa- skins pjjrging\_Jji very large quantities, poisonous.__Effects as a poison. Treatment of J ■ ^ its poisonous effects. Given in inflammatory diseases, in which the action is above the standard of health, and in which inflammation of the alimentary mucous membrane is ab- ✓ sent.^.Particular applications. Dose, 5 to 10 grains every hour or two hours. Given in "^ powder or solution. 7 -"""' Often combined with tartar emetic, in the proportion of 5 or 10 grains of nitre to one- ' twelfth or one-sixth of a grain of the antimonial, in solution. .Often also with calomel in addiJipmJ^oniposition of the nitrous powders. .___-—-— r> VEGETABLE ACIDS. Most of these are refrigerant or sedative to the circulation. Useful, when properly .„ diluted, as drinks in febrile complaints. Too largely given, diminish the vital forces, occasion indigestion, and cause emaciation. Those chiefly used are the citric and acetic acids, in the form of lemonjuice or vinegar. Former usually preferred. 7 -/■ Y y * LCLl-lLL- CyyttLl/d. /. ts?- /Azy-XZt, AuAyA dyst^ zAitoy> A J y. AAzAAl 7AA. 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A e.y■zjy.A■■- dr Ay yc'/tlc**. / t y , Z ^ z7 y' d ^ *^zyi ZZ .^tiA. s-A y/Zy 11 J ./Zz^ti,yzZZiy£- oz'c< u'' ■yiz z dsyiz/X/Az A AXi,zy /'-teV;_ tt^ /iid-z£-/--s Zz'Adt.^rz.t./ ^-AtCAAdyi/c'. JtzlYdiuC tsXAdy. d t^/Ayd^y^zA^ AtsA',dyiz.y /yyA :/cC y/yX .AyAy; A dA. yy.i „ AlzAu.i.U£S /Y Adz A/A- t/LA-yzd. ( 33 ) Citric acid is contained also in limes, sour oranges, and tamarinds, which are therefore equivalent in effect to lemonjuice. - Modes of preserving lemonjuice. Citric acid in solution may be advantageously sub- stituted. Citric Acid.-—Acidum Citricum, U. S. Mode of preparation. Form of crystals. A solu. tion made with gj. to Oj. of water, may be used for lemonjuice. Oil of lemons is a good addition, in the proportion of 4 drops to the pint. Mode of mixing. For lemonade, gj. of acid may be dissolved in Oj. of water. Citric acid is best purchased in crystals. Adulterated with tartaric acid. Mode of de- tecting the latter. Used as a refrigerant, also as a preventive and cure of scurvy. 5 ( 34 ) CLASS VII. NERVOUS SEDATIVES. General Observations. Medicines which, in their primary operation, reduce at the same time the nervous power, and the force of the ciicul ;tion. All of them obviously affect the functions which belong especially to the brain, and rank witli those medicines usually called narcotic. It is doubt- ful whether their influence on the heart is excited immediately, or through the intervention of the nerves. They are applicable therapeutically to complaints attended with nervous disorder and unhealthy excitement of the heart and ai teries. FOXGLOVE.—DIGITALIS. U.S. Leaves of Digitalis purpurea—a biennial herbaceous plant, indigenous in Europe, and cultivated in this country. Said to be strongest when it grows in sunny exposures. /- • Shape of the leaves—size—character of the surface—colour—separation of the footstalks —mode of drying—appearance as prepared by the Shakers—means of judging of the quali- ty—odour in the recent and dried state—taste—colour of the powder—relations to water and alcohol. 2 - • - * -Effects upon the system. Influence on the pulse. Direction to the kidneys. Symp- toms produced by an overdose. Treatment of its poisonous effects. Permanence of its influence. Disposition to act with accumulated force. Practical inferences. Not to be relied on as a substitute for the lancet. Reason of this. Useful as an adjuvant. Particular 5 . %* therapeutical applications. •^* Given in substance, infusion, or tincture—most certain in substance. Dose of the pow- der in chronic cases, 1 grain night and morning—in acute cases, one-half or one-fourth of a grain every 3 or 4 hours. Administered in pill. The infusion officinal. Made in the proportion of gj. to Oss. of boiling water, with f^j. of the tincture of cinnamon. Dose, ft^ss. Dose of the tincture, 10 drops, about equivalent to a grain of the leaves. Cautions / ... in relation to the increase of the dose, and perseverance with the medicine. TOBACCO.—TABACUM. U.S. Leaves of Nicotians Tabacum—an annual plant—probably a native of tropical America —cultivated in all quarters of the world. / - - • Sensible properties—relations to water and alcohol—effects of long boiling. Activity thought to reside chiefly in a volatile alkaline principle culled nicotia. Form, 7 ... - colour, odour, and taste of this principle, and effects upon the system. Another odorous 7/ __ .jjrincjpje^ ^Empyreumutic oil, resulting from the destructive distillation of tobacco. Form, J- ^^coToTTrVtas,e> ar)d odour of this oil, and its effects on the system. AhA" . • • General effects of tobacco as a nervous sedative. Poisonous action. More dangerous *• when given by the rectum than when swallowed. Reason of this. Treatment of its poi- sonous effects. Diuretic, nauseating, and emetic properties. / . . . , Seldom given by the stomach. Cases in which it is used as an enema. Given in this ^* way in the form of infusion made with £j. to Oj. of water, of which one-half is to be given at once, and the other half in half an hour if necessary. Cases in*which tobacco may be used by smoking it. External application in the form of cataplasm, or of cerate made with snuff. Use of tobacco ointment. « , ___ ffYDRWYANICACip.—ACIDUxM HYDROCYANICUM. U.S. /• Also called cyanohydric acid and prussic'acid~. ^Plants in which it exists. State in which it is obtained from them, and mode of obtaining it. Cherry laurel water. Uncer- tain, and little used here. Oil of hitter almonds may be substituted for the diluted hydro- cyanic_acid._ Advantages of the oil. ^ A .^fhe concentrated acid is too powcrfuHbrjise.__Also very susceptible of decomposition. 3, / The ofiicmalacid is preparedAuiirdTIutcTnstate. _Mode of preparing it. ' S»A-Form of the officinal hydrocyanic acia^colour—taste—odour—effects of exposure— £ "mode in which it may be best kept. g. ... Effects on the system. Poisonous effects. Remedial measures. 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Az diy ayuA* d/ Aid dAyAz>,z:A (lAZ'Hd/iyA zz/A dy z^y/A c A/A'z^. zAAt-ziy'Ad. AAtA. dsAsA/yAA Att/ z*,y / 6 A z tX./t t AdyY'-dyA ~ Adydz^^y; y^/uA. J 2A.l■: *A Az. Ad> /U>. A^drAAuY^^ Aa zftAsy ycAAA a t-zii- r/icA/, yy And, /sti/Adcn^, A cAutAstJ. ?■ ( 36 j cations. Dose of the officinal hydrocyanic acid, to begin with, two drops every 2 or 3 hours, to be gradually increased if necessary till evidence of its influence is afforded. Of the strong acid not more than one-twelfth of a drop should be taken at once. - ■ Cyanuret of Potassium.— Potnssii Cyanureturn, U.S. Mode of preparation. Becomes hydrocyanate of potassa when dissolved. This is decomposed by any acid, even the car- ..bonic acid of the air. Hydrocyanic acid is thus liberated. As the cyanuret when dry keeps well, it is a good substitute for the officinal acid. Given in solution with a little vinegar. Dose, one-fourth of a grain gradually increased to a grain. * / X/ty Atrzt, d A.ct dtX dA AAAaAc Zt-ty/ir tr/id-Z /y z y-yiiy^ O, acyyustyAdcy /A ztl. /AztrAA Az> a, A-tyy u^<-A z*. /zsxZ ( 36 ) CLASS VIII. EMETICS. General Observations. Medicines capable of producing vomiting, in certain doses, and as an ordinary result, in the healthy state of the stomach. No immediate effects are produced. In 10, 15, or 20 minutes, nausea comes on, with paleness^ a cool, moist, and relaxed skin, and a feeble, frequent, irregular pulse. These symptoms increase till vomiting results. During vomit- ing, the face is flushed, a sense of fulness in the temples is experienced, and the pulse be- comes full and slow. After vomiting, the skin is moist, the pulse soft and feeble, the pa- tient languid and disposed to sleep. Mechanism of vomiting. Explanation of the mode in which it is produced by emetics. Intervention of the brain necessary. Proofs of this. Emetics often act on the stomach, when applied to the rectum or the skin. Said to differ from most other medicines in not losing their power upon repetition. Ob- servations going to show that their difference from other medicines in this respect is only apparent. The susceptibility to the action of emetics is different in different individuals, and in different diseases. Complaints in which this susceptibility is least, and those in which it is greatest. Therapeutical effects of emetics included under the following heads: 1. Evacuation of the stomach; 2. Mechanical pressure on the liver and other abdominal viscera; 3. Reduc- tion of arterial action duiing the period of nausea; 4. Muscular relaxation ; 5. Promotion of the secretory functions of the skin, lungs, arid liver; 6. Powerful agitation of the whole frame; 7. Revulsion to the stomach; 8. Purgation, when the medicine is given in conside- rable doses, but insufficient to vomit; 9. Depiction, directly by the promotion of secretion, and indirectly by the removal of the food; 10. Irritation of the stomach. Observations and illustrations under each of these heads. Two or more indications for the use of emetics are often presented in the same disease. Circumstances contra-indicating the use of emetics, 1. acute inflammation of the stomach, bowels, or neighbouring viscera, 2. strong sanguineous determination to the brain, and 3. pregnancy in its advanced stages. Caution in cases of hernia, and in the use of acrid or corrosive emetics, in large doses, in insensible states of the stomach. Usually administered diffused in water, and in doses repeated every 15, 20, or 30 min- utes, till the,emetic effect is produced. If the object be merely to evacuate the stomach, warm diluent drinks should be given freely, as warm water or chamomile tea; if to produce a powerful impression on the sys- tem, with much retching and nausea, little or no drink should be allowed. Excessive vomiting relieved by the free use of warm demulcent drinks, followed by lau- danum or morphia, a spiced plaster or sinapism over the epigastrium; and if these fail, by an anodyne enema consisting of 60 drops of laudanum with f Jij. of a solution of starch. 1. Vegetable Emetics. IPECACUANHA. Root of Cephaelis Ipecacuanha—a small shrub growing in Brazil and other parts of South America. Character of the root—shape—size—structure—nature of the surface—consistence of the cortical portion—its translucency, fracture, and relative virtues—relative size of the ligneous portion—propriety of rejecting the smooth portions of stem attached to the root— colour of the root—varieties founded on the colour, brown, gray, and red—all from the same plant—no essential difference in them. Colour of the powder—odour—peculiar effect in some individuals—taste—relations to water and alcohol—effects of decoction. Active ingredient, emetia, an alkaline principle. Relation to tannin. Inference as to the incompatibility of astringents with ipecacuanha. Ipecacuanha injured by long exposure to light. Cx/yye cS i ( 37 ) Effects on the system. Character as an emetic. Therapeutical applications. Dose as an emetic, from 15 to 30 grains—as a nauseating medicine, 2 or 3 grains—as a diaphoretic or expectorant, from one-half a grain to 2 grains—as an alterative, from one- fourth to one half a grain, 2, 3, or 4 times a day. Wine of Ipecacuanha—Vinum Ipecacuanha, U.S.—may be given as an emetic in the dose of f ^j. to an adult, and f £j. to an infant, though seldom used for this purpose. More commonly employed in smaller doses as a diaphoretic and expectorant. Syrup of Ipecacuanha—Syrupus Ipecacuanha, U.S., given in half the dose of the wine. GILLENIA. U.S. Root of Gillenia trifoliata—an indigenous, herbaceous, perennial plant, called Indian physic, and sometimes American ipecacuanha. The root of the G. stipulacea has the same properties. The former grows in the Atlantic States, the latter in those of the West. Shape of the root—size—nature of the surface—colour—difference between the cortical and ligneous part—taste—odour—colour of the powder—relations to water and alcohol. Character as an emetic. Therapeutical applications. Dose, from 20 to 30 grains. LOBELIA. U.S. Lobelia inflata—Indian tobacco—an indigenous, herbaceous plant. General character of the plant. All parts of it are active. Time of collection. Colour of the powder—odour—taste—relations to water and alcohol. Character as an emetic. Poisonous effects. Therapeutical applications. Given in sub- stance, infusion, and tincture. Dose of the powder as an emetic, from 5 to 20 grains. Dose of the tincture {Tinctura Lobelia, U.S.) in asthma, from fgj. to fgij. every 2 or 3 hours till it acts. Besides the above emetics, numerous other substances possess the property of producing vomiting, and have been employed for that purpose. Among them may be mentioned the following, viz. Tne root of Euphorbia Ipecacuanha, and of the E. corollata—indigenous plants—emetic in the dose of from 10 to 15 grains. Disadvantages. The root of Songuinaria Canadensis, or blood-root—another indigenous emetic plant. Shape of the root—colour—colour of the powder—odour—taste. Active ingredient, an alkaline principle called sanguinarina. Character as an emetic. Dose of the powder, from 10 to 20 grains—of the tincture, from f^iij. to f.^ss. Squill is emetic in the dose of 6 or 8 grains; but is scarcely ever used for this purpose. Tobacco is also powerfully emetic, but, in consequence of the excessive nausea it pro- duces, and its narcotic properties, it is almost never prescribed internally. Dose of the powder, 5 or 6 grains. Mustard sometimes acts as an emetic, in the form of powder, in the dose of gj. Thera- peutical application in reference to its emetic property. 2. Mineral Emetics. TARTAR EMETIC. Before treated of as an arterial sedative. To be considered here only as an emetic and nauseant. Character as an emetic—certainty, power, durability. It produces much retching and frequent efforts to vomit, makes a strong impression on the neighbouring viscera and the general system, and occasions much relaxation and prostration of strength. The indications for its use, deducible from its peculiar mode of operating, are, in addi- tion to the evacuation of the stomach, to agitate and compress the liver, spleen, and other abdominal viscera, to divert irritation from its existing seat by a powerful revulsion to the stomach, to break up morbid associations, to produce nausea and consequent relaxation, and to evacuate the duodenum as well as the stomach. Illustrations of these indications in particular diseases. Tartar emetic is more apt than ipecacuanha to act on the bowels. Medium dose as an emetic, 2 or 3 grains. The best plan is to give 1 grain dissolved in a little water every 15 or 20 minutes till it acts. Often combined with ipecacuanha. A eood proportion is 1 grain of the antimonial to 10 of ipecacuanha, repeated as above. Dose of antimonial wine, as an emetic, fgj. or fgss. repeated in 20 minutes if the first dose should not act. Seldom given to adults as an emetic. Dose for a child 1 or 2 years old, from 20 to 40 drops. SULPHATE OF ZINC. The tonic and astringent properties of this salt before treated of. Characterized as an emetic by its promptness, and the comparatively little nausea which ( 38 ) it produces. Exerts less influence over the system than tartar emetic, and therefore less extensively applicable in disease. Used chiefly as a mere evacuant of the stomach in cases requiring a prompt, and energetic emetic, as in those of the narcotic poisons. Under such circumstances, it should be combined with ipecacuanha. Dose, 10 grains under ordinary circumstances; but, in cases of insensibility of stomach from narcolic poisons, 5Jss. Reason why it should not be indefinitely increased in such cases. SULPHATE OF COPPER. Before considered in reference to its tonic properties. As an emetic, characterized by its very great promptness, and by the very slight nausea which attends its action. Re- sernbles in properties the last mentioned salt, though even more prompt and powerful. Used almost exclusively in cases of poisoning from narcotics. Dose from 2 to 3 grains in ordinary states of the stomach—in poisoning from narcotics, from 5 to 15 grains. Caution as to increasing the dose more necessary even than with the sulphate of zinc. Many other mineral substances possess emetic properties. The acrid or corrosive poi- sons, such as corrosive sublimate, verdigris, and the arsenical salts, when taken in large doses, usually excite vomiting. But they are dangerous, and are never used for this purpose. The Turpeth mineral, or yellow sulphate of mercury has been used, but is now abandoned. It usually proves emetic in the dose of 5 grains, but is uncertain. * / ( 39 ) CLASS IX. CATHARTICS. General Observations. Medicines which produce evacuations from the bowels. They operate in various ways; —1. by simply irritating the mucous membrane of the bowels, the muscular coat of which is brought into sympathetic action; 2. by stimulating the exhalent vessels and mucous follicles ol the intestines to increased secretion; and 3. by a similar stimulant, influence upon the liver, and perhaps the pancreas. Some cathartics act in one of these ways, some in another, and some combine two or more modes of action. Cathartics differ as to the parts of the alimentary canal on which they act, some af- fecting the upper portion more particularly, some the lower, and others operating equally on all parts. This difference is partly, perhaps, ascribable to difference in solubility; but is chiefly owing to the peculiar susceptibilities of different portions of the bowels. The character of the discharges varies with the kind of cathartic used. Medicines act- ing on the large intestines produce consistent fecal evacuations, those acting chiefly on the peristaltic motion discharge the liquid contents of the bowels, those which stimulate the exhalents give rise to large watery evacuations, and are hence called hydragogues, while calomel, acting especially on the liver, produces bilious stools. Mucous or bloody stools result from the use of the more violent and irritating cathartics. Cathartics differ greatly in their power. Some act mildly, merely producing looseness, and are hence called laxatives; others act with greater energy, and are called purges; and a third set, which are most, powerful and irritating, are distinguished by the name of drastics or drastic purges. Observations upon this difference. Cathartics are useful in disease in several ways. 1. They evacuate the bowels, and thus relieve constipation and all its attendant evils, as well as remove irritating substances, and those having a depressing influence on the system, whether introduced by the mouth, or resulting from chemical changes going on in the alimentary canal, or the product of deranged secretion. Explanations and numer- ous illustrations of this action of cathartics. 2. They directly deplete from the blood-vessels, by increasing the action of the intesti- nal exhalents, and thus reduce arterial excitement, and they indirectly deplete by removing the sources of the chyle by which the constant drains from the blood-vessels are supplied. Hence their use in almost all febrile complaints of an inflammatory character, in plethoric cases, and in inflammations even unattended with fever. 3. They promote absorption by diminishing the quantity of the circulating fluid, and thus prove useful in dropsy. 4. They act powerfully as revulsives, producing a gentle,irritation over the whole tract of the alimentary canal, which, while it is usually safe to the patient from its mildness, is energetic in its revulsive influence by its extent. Peculiarly useful in this way in affec tions of the head, they are beneficial also in all cases of local inflammation, except those in which the alimentary canal itself is involved in the disease. 5. Some cathartics act favourably by increasing secretion from the liver, and thus re- lieving congestion of this viscus, and of the portal system generally. It often happens in disease that cathartics are called on to meet several indications in the same case. General observations on the importance of eatharties. The action of the different cathartics modified by combination. By mixing several drastics together, they become milder in regard to their irritant property, without losing any of their purgative power. Explanations of this fact. Small doses of emetic medicines promote the operation of cathartics. The same effect is produced to a certain extent by bitters. Cathartics are sometimes favourably modified by combination with substances which exert a chemical agency upon them. _ Their tendency to gripe may be lessened by combination with aromatics—and their nauseating effects by the same medicines, and by carbonic acid water. Cathartics operate most speedily and favourably when given on an empty stomach. Susceptibility to their action is diminished during sleep, and is increased by exercise. ( 40 ) Hence, when a very prompt effect is desirable, they should be given in the day time, on an empty stomach; when a slow operation, with as little inconvenience to the patient as possible, is required, they should be given at bedtime. During their operation, or before it, the patient should drink some mild diluent beve- rage, as molasses and water, barley-water, oatmeal gruel, &c. Hypercatharsis may be checked by from 5 to 15 drops of laudanum by the mouth, or three times the quantity administered by the rectum. 1. Vegetable Cathartics. Observations in relation to bran, sugar, and molasses, as laxative articles of diet. MANNA. U.S. Concrete juice of Fraxinus Ornus, and other species of Fraxinus, growing in Sicily, the South of Italy, and Greece. Mode in which the manna is procured. Difference in the result according to the season. Three varieties of manna described; 1.flake manna, 2. common manna, 3. fat manna. Distinguishing characters of these varieties. Odour of manna—taste—relations to water and alcohol—effects of heat. The saccharine principle peculiar. Called mannite. Mode of preparing mannite—co- lour—taste—solubilities—difference from sugar in relation to the process of vinous fer- mentation. Characters of manna as a cathartic. Therapeutical applications. Dose, 5;j. or 3jij. Usually given in combination. SACCHARINE AND ACIDULOUS FRUITS. General observations on these fruits in their recent and dried state. The following par- ticularized:—Dried Peaches and Apples, Tamarinds, Raisins, Figs, and Prunes. The last considered as the best of these fruits as a laxative. Cases in which they are particu- larly applicable. PURGING CASSIA.—CASSIA FISTULA. U.S. Fruit of Cassia Fistula—a large tree growing in the West Indies and East Indies. Character of the fruit—shape and size—colour—internal structure—disposition of the pulp. Mode of extracting the pulp—its colour, odour, and taste—its character as a cathartic— and its therapeutical applications. Dose as a gentle laxative, J^j. or ^ij.—with a view to a more powerful effect, j§j. or §ij. Seldom given alone. An ingredient of the Confection of Senna. CASTOR OIL.—OLEUM RICINI. U.S. Product of Ricinus communis. Character of the plant—native place—where cultivated. Shape and size of the seeds—colour of the surface—internal structure—modes of extract- ing the oil. Properties of the oil—consistence—colour—odour—taste—solubility in alcohol. Mode of detecting adulterations. Characters as a cathartic. Therapeutical applications. Dose for an adult, f^j.—for a child of three or four months, f%). or more. The dose is larger in proportion for children than for adults. Modes of administration. Observations in relation to Olive Oil, Linseed Oil, and Melted Butter. RHUBARB.—RHEUM. U.S. The root of different species of Rheum—possibly of R. palmatum, R. compactum, and R. undulatum—herbaceous perennial plants, growing in Central Asia, and cultivated in Europe. Age at which the root is dug up—preparation for the market—routes by which it reaches us. Varieties, 1. Russian, 2. Chinese, and 3. European Rhubarb. Russian Rhubarb. Care in its preparation—shape of the pieces—nature of the surface —character of the hole penetrating them—texture—fracture—colour—colour of the pow- der—odour—taste—effect on the saliva—feel under the teeth—comparative cost. Chinese Rhubarb. Shape and size of the pieces—object of the hole through them__ap- pearance of the surface—texture—internal colour—colour of the powder—odour__taste__ effects on the saliva—feel under the teeth. This variety most used. Its comparative value. Its greater liability to be mixed with worm-eaten, rotten, or defective pieces. ( 41 ) European Rhubarb. Shape and size of the pieces—density—appearance of the fractured surface—colour of the powder—odour—taste—effect on the saliva—feel under the teeth. Inferior to the others as a purgative; but sometimes preferred for chewing. Reason of this. Chemical constitution of rhubarb. The active ingredients probably a peculiar principle called rhubarbarin and tannin. Otlier principles are gum, starch, oxalate of lime, &c. The European has most tannin, and least of the colouring and purgative principle. Relations of rhubarb to water and alcohol. Peculiar properties as a cathartic. Therapeutical applications. Cases in which it is contra-indicated. Dose as a stomachic and laxative, from 5 to 10 grains—as a purgative, from 20 to 30 grains. That of the European variety, double. Given in powder with syrup or molasses, or in pill made with soap or simply with water. The root chewed habitually by some persons affected with costiveness. The officinal preparations are, Infusion of Rhubarb (Infusum Rhei, U.S.)—Tincture of Rhubarb {Tinctura Rhei, U.S.), given as a laxative in the dose of f^j. or f^ij., as a purge f^ss. or f^j.— Tincture of Rhulmrb and Aloes {Tinctura Rhei et Aloe's, U.S.), formerly called elixir sacrum, given in the same dose as the preceding—Tincture of Rhubarb and Gentian {Tinctura Rhei et Genliana, U.S.), in the same dose—Tincture of Rhubarb and Senna {Tinctura Rhei et Senna, U.S.), commonly called Warner's Gout Cordial, in the same dose—Syrup of Rhubarb {Syrupus Rhei, U.S.), given in the dose of f.^j. or f^ij. to children—and Aromatic Syrup of Rhubarb {Syrupus Rhei Aromaticus, U.S.), commonly called spiced rhubarb, also given in the same dose. Effect of roasting on the purgative and astringent properties of rhubarb. SENNA. U.S. Leaves of several species of Cassia, viz. C. acutifolia, C. obovata, and C. elongala—small shrubs growing in Africa and Arabia. Three commercial varieties—Alexandria, Tripoli, and India senna. 1. Alexandria senna. Place of collection and preparation for market—port of shipment —constituents—distinguishing characters of the constituents. 2. Tripoli senna. Place of export—distinguishing characters. 3. India senna. Origin—commercial history—distinguishing characters. Garbling of senna—its odour—taste—colour—colour of the powder—relations to water and alcohol—effects of exposure. Active ingredient, a peculiar principle called cathartin. Character as a cathartic. Therapeutical application. Dose of the powder, ^j. Seldom used in this form. Generally given in infusion. Officinal formula for the infusion. Dose, f giv. every 4 or 5 hours till it operates, or f^ij. every 2 hours. Mode of counteract. ing its griping effect. The Tincture of Senna and Jalap {Tinctura Senna et Jalapa, U.S.), formerly called elixir salutis, given in the dose of f.^ij. or f^ss. Confection of Senna—Confectio Senna, U. S. Constituents—preparation—sensible pro- perties—practical applications—dose, gj. to §ss. Syrup of Senna—Syrupus Senna, U.S. Given to children in the dose of f^j. to f^ss. AMERICAN SENNA.—CASSIA MARILANDICA. U.S. Leaves of Cassia Marilandica—zn indigenous herbaceous plant. Period for collecting the leaves. Shape, size, and sensible properties—relations to water and alcohol. Similar to senna in virtues and uses, but weaker. Given in infusion. Dose, one-third greater than that of senna. EXTRACT OF BUTTERNUT.—EXTRACTUM JUGLANDIS. U.S. Extract of the inner bark of the root of Juglans cinerea—an indigenous tree. Sensible properties of the bark—mode of preparing the extract—its colour, odour, and taste. Character as a cathartic. Therapeutical applications. Dose, 20 or 30 grains as a pur- gative, 10 or 12 grains as a laxative. ALOES.—ALOE. U.S. Inspissated juice of the leaves of different' species of Aloe—particularly A. spicata, A. Socotrina, and A. vulgaris. Character of these plants. Native places, and countries in which they are cultivated. Different modes of collecting and preparing aloes. I he mode which yields, the best, and that which yields the worst aloes. Three commercial varieties, viz. Cape Aloes, Socotrine Aloes, and Hepatic Aloes. Cape Aloes. The plant which yields it—mode of preparation—place of export—state in which it is imported-state as kept in the shops—appearance of the surface—fracture —colour of the fracture—translucency of the edges—colour of the powder—odour—taste —effects of heat and cold on its consistence. 6 ( 42 ) 2. Socotrine Aloes. The plant which yields it—place of production—place of export— colour and nature of the surface—fracture—effects of exposure on the colour—translu- cency of the edges—colour of the powder—odour—taste—effects of heat and cold on its consistence. 3. Hepatic Aloes. Origin of the name—sources—places of production—colour—nature of the surface—edges—odour—colour of the powder. . Chemical constitution of aloes. The active part, a peculiar extractive matter. Relations of this principle to water and alcohol. Change produced in it by exposure to air, and by heat. A little volatile oil in the Socotrine aloes. Character of the remaining portion. Relations of aloes to water and alcohol—effects of decoction upon'it—permanence of the infusion. Characters as a cathartic. Tendency to the pelvic viscera. Mode of operating. Com- plaints in which it is contra-indicated. Therapeutical applications. Peculiarity as to the dose. As a laxative, given in the dose of from 2 to 6 grains—as a purgative, from 10 to 15 grains. Usually administered in pill. The officinal preparations are, Pills of Aloes and Assafetida {Pilula aloes et Assafosli- da, U.S.), given in the dose of from 10 to 20 grains— Pills of Aloes and Myrrh {Pilula Aloes et Myrrha, U. S.), sometimes called Rufus's Pills, given in the same dose—Compound Pills of Rhubarb {Pilula Rhei Composita, U.S.), in the same dose—Powder of Alois and Canella {Pulvis Aloes et Canella, U.S.), commonly called hiera picra, in the same dose—■ Tincture of Aloes {Tinctura Aloes, U.S.), given in the dose of f^ss. to f^iss.— Tincture of Aloes and Myrrh {Tinctura Aloes et Myrrha, U.S.), formerly called elixir proprietatis, given in the dose of fgj. or fgij. as a stomachic and laxative—and Wine of siloes {Vinum Aloes, U.S.), laxative in the dose of f^j. or f^ij.—cathartic in that of f Jss. to f^j. JALAP.—JALAP A. U.S. Root of Ipomaea Jalapa. Place of growth. General character of the plant. Nature of the root. States in which it is imported—shape and size of the dried tubers—compactness—nature and colour of the surface—character of the fracture—colour internally—concentric ar- rangement of the colours—colour of the powder—odour—taste—relations to water and alcohol—chemical composition—adulterations—influence of worms upon its activity—re- lative power of its resinous and mucilaginous portions. Character as a cathartic. Therapeutical applications. Ordinary combinations. Dose, 15 to 30 grains. Effects of an overdose. Dose of jalap and bitartrate of potassa, from 10 to 20 grains of the former with from ^j. to ijij. of the latter. Dose of calomel and jalap, 10 grains of each—or 5 grains of the former to 15 of the latter. Dose of the resin of jalap, 8 or 10 grains. Disadvantages of this preparation. Extract of Jalap.—Extractum Jalapa, V. S. Mode of preparation—sensible proper- ties—dose, 10 to 20 grains. The tincture, Tinctura Jalapa, U.S., is little used. MAY-APPLE.—PODOPHYLLUM. U.S. Root of Podophyllum peltatum—an indigenous plant. General character of the plant. Nature o! the fiuit. Asserted poisonous nature of the young shoots. Shape and size of the dried root—colour—colour of the fibres—taste—odour—colour of the pow'der—relations to water and alcohol. Character as a cathartic. Remedial applications. Dose and forms of administration the same as those of jalap. , SCAMMONY.—SCAM MONIUM. U.S. Inspissated juice of the root of Convolvulus Scammonia. Character of the plant. Place of its growth. Mode of collecting and preparing the juice. Commercial varieties, Aleppo and Smyrna Scammony. Aleppo Scammony. State in which it is imported—weight—consistence—fracture— porosity—colour—effects of exposure on the colour—translucency of the edges—odour— taste—colour of the powder. Smyrna Scammony. Shape—colour—consistence—fracture—odour—relative value—■ question as to its origin. Montpellier Scammony. Factitious Scammony. Relations, of scammony to water and alcohol—chemical composition. Character as a cathartic. Therapeutical applications. Seldom given alone. Usually in the compound extract of colocynth. Dose, 5 to 10 grains. There is-an officinal confec- tion, little used. BLACK HELLEBORE.—HELLEBORUS. U.S. Root of Hellcborus niger. General character of this plant, and place of its growth. ( 43 ) Shape of the root—colour externally and internally—odour—taste—effects of time and exposure—colour of the powder—relations to water and alcohol—effects of long boiling. Character as a cathartic. Effects of an overdose. Tendency to the uterine system. Therapeutical applications. Sometimes called melampodium. Dose of the powder, from 10 to 20 grains—of the decoction, made with 2 drachms to a pint of water, f^j. every 4 hours till it operates—of the tincture {Tinctura Hellebori, U.S.), fcjj.—of the extract {Extractum Hellebori, U. S.), 12 or 15 grains. COLOCYNTH.—COLOCYNTHIS. U. S. Fruit of Cucumis Colocynthis. General character of the plant. Place of its growth. Character of the fruit. Mode of preparing it for market. Size and shape of the fruit as in the shops—colour—texture—consistence—constituents —relative amount of the seeds—odour—taste—relations to water and alcohol. Active ingredient, a peculiar bitter principle called colocyntin. Character as a cathartic. Effects of overdoses. Therapeutical applications. Dose, 5 to 10 grains. Almost always given in composition. The compound extract {Extractum Colocynthidis Compositum, U.S.) a valuable remedy. Constituents. Dose, 10 to 15 grains. GAMBOGE.—GAMBOGIA. U.S. Inspissated juice of a tree not certainly known to botanists. Supposed origin. Place and mode of collection. Places whence imported. Shape and size of the pieces—nature of the surface—colour externally—appearance of the fracture—colour of the powder—odour—taste—effects of heat—chemical composition —relations to water and alcohol. Character as a cathartic. Disposition to produce vomiting. Therapeutical applications. Dose, 3 to 6 grains, given in pill or emulsion. Compound Cathartic Pills.—Pilula Cathartica Composita, U.S. Constituents. Princi- ples of their formation. Applications. Dose, 3 pills. ELATERIUM. U.S. Product of Momordica Elaterium or squirting cucumber. General character of the plant. Place of its growth and culture. Character of the fruit. Modes of obtaining elate- rium. The best of these. Clutterbuck's elaterium. Shape of elaterium—colour—appearance of the surface—weight—texture—taste—odour. Active ingredient, a peculiar principle called elaterin. Character of elaterium as a cathartic. Danger from overdoses. Therapeutical applica- tion. Dose of the purest, an eighth of a grain—of the common, half a grain every half hour or hour till it operates. The best plan is to commence, as a general rule, with one- sixth or one-fourth of a grain. Dose of elaterin, from one-sixteenth to one-twelfth of a grain. CROTON OIL.—OLEUM TIGLII. U.S. Product of Croton Tiglium. General character of this plant. Place of its growth. Shape, structure, colour, and medical effects of the seeds. Formerly called Grana Molucca and Grana Tiglia. Mode of obtaining the oil from the seeds. Consistence of the oil—colour—odour—taste—solubility in alcohol—chemical constitu- tion__proportion of the active principle to the inert oil—adulterations—mode of detection. Character as a cathartic. Effects of an overdose. Therapeutical applications. Dose, 1 or 2 drops. Administered in pill. Mode of preparing the pill. Effects of its external application. Remedial uses in this way. Mode of application. 2. Mineral Cathartics. SULPHUR. U.S. Origin of crude sulphur or brimstone—mode of preparation—places from which it is im- portedXmode of preparation for medical uses. Called when prepared, flowers of sulphur, sublimed sulphur, washed sulphur. ... Form—colour—odour—taste—insolubility in water and alcohol—solubility in volatile and fixed oils—chemical nature. t> r Peculiarities as a cathartic. Determination to the surface. Alterative action Proofs of its absorption. Used in costiveness with piles, in dyspepsia, chronic rheumatism and ( 44 ) gout, chronic catarrh, cutaneous affections, &c. Dose as a laxative, gj. or £ij.—with a view to affect the system at large, somewhat less. Used externally in psora, in the form of ointment. Mode of preparing the ointment. Sometimes applied in the form of vapour. Mode of application. Observations in relation to sulphur springs. Precipitated Sulphur—Sulphur Pracipitatum, U.S. Lac sulphuris, or milk of sulphur. Mode of preparation. Chemical nature. Impurity and its source. Dose, the same as that of sulphur. CARBONATE OF MAGNESIA.—MAGNESLE CARBONAS. U.S. Sources and mode of preparation. Form, as found in the shops—weight—colour—feel —odour—taste—relations to water and to water impregnated with carbonic acid—chemical nature—adulterations. Peculiarities as a cathartic. Antacid property. Liability to occasion flatulence. Some- times preferable to the pure earth from its insipidity. Therapeutical applications. Full dose, :jij. Often given in smaller quantity. MAGNESIA. 17. & Sometimes called calcined magnesia or magnesia usta. Mode of preparation. Means of ascertaining the absence of carbonic acid. Form—colour—taste—odour—relation to water—chemical nature. Peculiarities of Henry's magnesia. Character as a cathartic. Antacid property. Possibility of accumulation in the bowels. Therapeutical applications. Dose for an adult, gj.—for a child two years old, from 10 to 20 grains. Often combined with rhubarb in bowel complaints. Best mode of preparing magnesia for administration. Saline Cathartics. Not all mineral, but too much alike to be separated. Intermediate in power between laxatives and active purges. Act upon the intestinal ex- halents and produce watery evacuations. At the same time operate as arterial sedatives. Occasion as little uneasiness in their action as any other cathartics. Adapted by these properties to inflammatory and active febrile complaints. Contra-indicated in typhous complaints. Closely resemble each other in properties, so that one may frequently be safely substituted for another. SULPHATE OF SODA.—SOD^E SULPHAS. U.S. Commonly called Glauber's salts. Sources and modes of preparation. Chemical com- position. Shape of crystals—effects of exposure—proportion of water of crystallization—taste— solubility in water—effects of heat. Less used than formerly. Dose of the crystallized salt, ^j. to ^ij.—of the effloresced, half the quantity. Mode of administration. SULPHATE OF MAGNESIA.—MAGNESLE SULPHAS. U. S. Commonly called Epsom salt. Sources and modes of preparation. Chemical compo- sition. Size and shape of the crystals as ordinarily found in the shops—proportion of water of crystallization—effect of exposure—solubility in water—taste. The neutral salt usually preferred as a cathartic. Dose, ^j. or more. Mode of admi- nistration. Advantage of solution in carbonic acid water. SULPHATE OF POTASSA.-POTASS^ SULPHAS. US. Formerly called vitriolated tartar. Mode of preparation. Chemical composition. Shape of the crystals—hardness—use on account of their hardness—solubility in water —effect of heat—taste. Little used as a cathartic. Difficult solubility an objection. Dose, ^ss. or Zvj. BITARTRATE OF POTASSA.—POTASS^ BITARTRAS. U.S. Frequently called cream of tartar, and crystals of tartar when crystallized. Chemically, bitartrate of potassa. Source of this salt, and mode of preparation. Imported in the state of crystals. Appearance of these crystals. Form of the salt as kept in the shops—taste—solubility—effect of time and exposure on the solution. ( 45 ) Peculiarities as a cathartic. Hydragogue properties. Direction to the kidneys. Degree of its sedative or refrigerant power. Therapeutical applications. Particularly useful in dropsy. Dose, gss. to 3£j. Mode of administration. Given in solution as a laxative re- frigerant drink, sweetened with sugar. Often combined with jalap. TARTRATE OF POTASSA.—POTASSA TARTRAS. U.S. Formerly called soluble tartar. Mode of preparation. Chemical composition. No water of cry stall ization. Form—colour—effects of exposure—solubility—effects of heat—effects of acids and acidulous salts. Little used at present. Dose, from ^ss. to ^j. TARTRATE OF POTASSA AND SODA.—SOD^ ET POTASSiE TARTRAS. U.S. Commonly called Rochellesa.lt. Mode of preparation. Chemical composition. Shape and size of the crystals—effects of exposure—proportion of water of crystallization —taste—effects of heat—solubility. An excellent cathartic. One of the least unpleasant to the taste of the neutral salts. Dose, ^j. or ^iss. Composition of the Seidlitz powders, and mode of administration. PHOSPHATE OF SODA—SOD^ PHOSPHAS. U.S. Mode of preparing this salt. Chemical composition. Form as kept in the shops—proportion of water of crystallization—effects of exposure— taste—solubility in water. Sometimes useful on account of its not unpleasant taste. Dose, from ^j. to ^ij. CALOMEL. Officinal name Mild Chloride of Mercury—Hydrargyri Chloridum Mite. Its mode of preparation, and its chemical nature and relations are treated of in another part of the course. In the dose*of from 5 to 20 grains, it usually operates briskly, producing bilious stools, of a dark colour. Sometimes it operates without pain or nausea, sometimes it is very pain- ful and apt to induce vomiting. In the latter case, the discharges from the stomach are bilious. Probability that the irritation is not owing to the direct action of the calomel on the alimentary mucous membrane, but to the increased quantity and disordered quality of the bile which it produces. Reasons for this opinion. Amount of purgative effect not al- ways proportionate to the dose. Sometimes it operates in the quantity of 1 or 2 grains, sometimes very large doses produce little effect. Causes of these peculiarities in its ope- ration. Risk of overdoses. Comparative insusceptibility of infants or young children to its purgative effect. Slowness of its operation. Propriety of following it, if it do not ope- rate in 6 or 8 hours, by another cathartic. Often combined with jalap, rhubarb, scammony, or other active cathartic, to render it more speed/in its operation. Dose of calomel and jalap, 10 grains of each. Generally, 3 or 4 grains of calomel combined with other cathar- tics, is a sufficient quantity to insure the peculiar advantages of the mercurial. An ingre- dient in the Compound Cathartic Pill of the United States Pharmacopoeia, and in Zee's Antibilious Pills. Therapeutical applications. In the commencement of autumnal fevers, and sometimes in their course when attended with congestion of the liver. In other diseases accompanied with deficient hepatic secretion or congestion of the portal system, as constipation, jaun- dice, hepatitis, ■ A CLASS XV. ERRHINES. General Observations. Medicines which promote the secretion from the mucous membrane of the nostrils. As they usually excite sneezing, they are also called sternutatories. No medicines taken in- ternally are known to have a peculiar reference to this function. None are employed as errhines, except by local application to the nostrils. The principles of their action are the same as those of the sialagogues. When any substance is employed as an errhine, the fact is mentioned under other heads. None used exclusively for this purpose. Applied by snuffing them up the nostrils in the form of powder. If very acrid, they should be diluted with some inert substance. 8 ( 58 ) CLASS XVI. EPISPASTICS. General Observations. Medicines which, when applied to the skin, produce a blister. Also called vesicatories. They act by producing inflammation of the skin, the vessels of which relieve themselves by the secretion of serous fluid under the cuticle. They prove useful as remedies in vari- ous ways. 1. They act indirectly as general stimulants. The system is excited by sympathy with the Iofeal inflammation. This effect is greatest during the rubefacient action of the epis- pastic, and is diminished when the cutaneous inflammation is relieved by the effusion of serum. As general stimulants, they may be used in typhoid diseases, and in intermittent or remittent complaints in which it is desirable to supersede the paroxysm by a strong impression on the system. Remarks as to the proper circumstances of application in both cases. 2. They are powerfully revulsive. In this way they prove useful in various nervous irritations and in inflammations. In cases of mere local determination of blood, they are usually best applied at a distance from the part affected; in inflammations, as near the seat of disease as possible. Grounds of this difference. Another practical rule is that, in inflammatory affections, they should not be applied during the existence of high febrile excitement. Grounds of this caution. 3. They substitute their own action, which spontaneously subsides, for the diseased ac- tion existing in the part to which they are applied. 4. They act as local stimulants. 5. They produce local depletion, which, though not abundant, often proves highly useful in inflammation. 6. The pain they occasion is sometimes useful in hypochondriacal cases. 7. They are employed to separate the cuticle, so as to procure a denuded spot for the application of medicines. SPANISH FLIES.—CANTHARIS. U.S. Cantharis vesicatoria. Synonymes. Meloe vesicalorius. Lytta vesicatoria. Countries in which the insect is found. Situations frequented by it. Mode of procuring and pre- paring it for use. Shape and size of the fly—colour—colour of the powder—odour—taste—relations to water and alcohol—attacks of insects and results. Blistering property thought to reside in a peculiar principle called cantharidin. Form, colour, and solubilities of this principle. The following officinal preparations are worthy of notice. 1. Cerate of Spanish Flies—Ceratum Cantharidis, U.S.—commonly called blistering plaster. It is the Emplastrum Cantharidis of the London Pharmacopoeia. Constituents and mode of preparation. Mode of application. Used for blistering. 2. Ointment of Spanish Flies—Unguentum Cantharidis, U.S. Mode of preparation. Used to dress blistered surfaces in order to maintain a discharge. 3. Plaster of Pitch with Spanish Flies—Emplastrum Picis cum Cantharide, U. S.__ more frequently called Emplastrum Calefaciens, or warming plaster. Constituents. Uses. 4. Liniment of Spanish Flies—Linimentum Cantharidis, U.S.—generally called decoc- tion of flies in oil of turpentine. Mode of preparation. Uses. Practical remarks on blistering with cantharides. Local action of the epispastic. Stran- gury a frequent result. Probable cause. Modes of prevention. Treatment. Sloughing of the skin in the blistered part sometimes results. Cause of this occurrence. Rules for applying blisters. Remarks in relation to their size and shape, the means of attaching them to the skin, the previous preparation of the skin, the duration of their application, the difference in this respect between children and adults, mode of dressing blisters, mode of treating them when inflamed, and the means of sustaining the discharge so as to form a perpetual blister. POTATO FLIES.—CANTHARIS VITTATA. U. S. Synonyme, Lytta. vittata. An indigenous insect. Plants on which it is found. Mode of collecting it. Size, shape, and colour. Sensible properties similar to those of the Span- ish flies. Chemical composition probably similar. Uses the same. ■ » ( 59 ) CLASS XVII. RUBEFACIENTS. General Observations. Medicines which inflame the skin without vesicating as an ordinary result. The prin- ciples of their operation are the same in general as those mentioned under the head of epispastics. But some indications are answered best by one class, others by the other. As general stimulants, blisters are preferable when a slow and permanent impression is to be produced—the active rubefacients, when a sudden and powerful but fugitive action is requisite. The former are superior to the latter in the power of interrupting morbid associations. On the principle of revulsion, blisters are more useful in local inflammations —rubefacients, in spasm and other forms of nervous irritation. When a very slight but long continued action is desired, the indication is best fulfilled by mild rubefacients. As depletory means these are obviously inferior to blisters, and they cannot be employed to obtain a raw surface. For the mere purpose of producing pain, the powerful rubefacients are even more efficient than blisters. MUSTARD.—SINAPIS. U.S. The seeds of two species of Sinapis—& alba and S. nigra—natives of Europe—culti- vated in our gardens". General character of the plants. Their seeds distinguished by the names of white and black mustard seed. Size and colour of the two varieties. Colour of the powder. Mode of preparing it. Chemical composition of the seeds. Mucilage contained in their coating, a fixed oil in the interior part. Among their constituents is a principle, which, in the black mustard is converted into a volatile oil by the reaction of water, in the white into an acrid substance not volatile. The odour and taste are ascribable to these principles. Effects of mustard on the system. Operation when taken whole. Operation when swallowed bruised or in the form of powder. Internal uses. Employment as a rubefacient. Mode of applying it. Duration of its application. Local effects. Occasional unpleasant results. Cases to which it is especially applicable. CAYENNE PEPPER. Before spoken of as an arterial stimulant. Effects as a rubefacient. Modes of applying it. Cases to which it is applicable. OIL OF TURPENTINE. Already described. Powerfully rubefacient. Mode of applying it. Peculiar effect on the skins of some individuals. Cases to which it is applicable. BURGUNDY PITCH.-PIX ABIETIS. 17. S. Product of Abies communis {Pinus Abies, Linn.), a large evergreen tree, growing in the north of Europe, and commonly called Norway spruce fir. Mode of procuring and pre- PaForrn as ft is found in the shops—colour—effect of exposure on the colour—consistence —difference in this respect in cold and hot weather—smell—taste—chemical composition —effects of heat—consistence at the temperature of the body. .,..,, rp. Properties as a rubefacient. Poisonous effect on the skins of some individuals. 1 hera- peutical uses. Modes "of application. CANADA PITCH.—PIX CANADENSIS. U.S. Sometimes called hemlock gum and hemlock pitch. Obtained from the Abies Canadensis (Pinus Canadensis, Linn.), an evergreen indigenous tree, growing in the northern states and Canada. Mode of collecting and preparing the pitch. Colour. In sensible, chemical, and medicinal properties, closely analogous to Burgundy pitch. SOLUTION OF AMMONIA.—LIQUOR AMMONIiE. U.S. Often called water of ammonia or aqua ammonia. Chemical nature. .Mode of prepara- tion Odour. Relation to the oils. Effects as a rubefacient. Modes of application. There is an officinal preparation under the name of Linimentum Ammonia, U. &, commonly called volatile liniment. Composition of this liniment ( «o ) CLASS XVIII. ESCHAROTICS. General Observations. Substances which destroy the life of the part to which they are applied, and produce a dough. They operate either by a direct influence on the vitality of the part, or by a che- mical agency. They are employed to form issues, to change the nature of the morbid ac- tion in diseased surfaces by destroying the part affected, to remove fungous granulations, and to open abscesses. Observations on the actual cautery. Iron heated to ignition may be used to arrest he- morrhages in places which are beyond the reach of a ligature. Moxa is another form of the actual cautery. Meaning of the term. Materials from which moxa is prepared, and mode of preparation. Use of nitre and bichromate of po- tassa. Mode of application. Therapeutical uses. Principles of action. POTASSA. U.S. Common caustic. Mode of preparation. Shape and size of the pieces—colour—change upon exposure—mode of keeping—impurities. Used to form issues, to destroy poisoned surfaces, and to open abscesses. Modes of ap- plication. Subsequent treatment so as to form an issue. Principles upon which issues act in the cure of disease. NITRATE OF SILVER. Lunar caustic. Mode of preparation. Shape of the pieces—size—colour—translucency —change upon exposure—mode of preserving them. Peculiar character as an escharotic. Used chiefly to destroy the surface of diseased ulcers. Particular applications. Mode of application. Effect upon the cuticle. Used in weak solution as a local stimulant. ARSENIOUS ACID.—ACIDUM ARSENIOSUM. U.S. White oxide of arsenic. While arsenic. Mode of obtaining it State, as it is kept in the shops—colour.—opacity—nature of the surface—fracture—odour—taste—solubility in water. Danger of mistaking it for magnesia when in powder. Character as an escharotic. Therapeutical applications. SULPHATE OF COPPER. A mild escharotic, not much used as such at present. A very strong solution contain- ing 20 grains to f^j. of water is sometimes applied to chancres, and to the cankerous sore mouth of children. CORROSIVE CHLORIDE OF MERCURY.—HYDRARGYRI CHLORIDUM CORROSIVUM. U.S. Bichloride of Mercury. Corrosive sublimate. To be spoken of among the preparations of mercury. Referred to here only as an external application. Seldom used as an escha- rotic. More frequently as a stimulant application. Use in onychia maligna. Its solution applied to ulcers, particularly those of a syphilitic character, to certain cutaneous erup- tions, and as an injection in gleet. DRIED ALUM.—ALUMEN EXSICCATUM. U.S. Burnt alum. Mode of preparing it. Character as an escharotic. Purposes for which it is used. Mode of applying it. THE MINERAL ACIDS. Though powerfully caustic, these are seldom used, in consequence of the inconvenience of applying them in the liquid form. They are sometimes employed to destroy the cuticle hastily, and procure an inflamed surface. Diluted sulphuric and nitric acids are occasion- ally used as stimulants to old ulcers. These acids are also employed in the form of oint- ment in cutaneous diseases. ( 61 ) CLASS XIX. D-EMULCENTS. General Observations. Bland, unirritating substances, which form with water a viscid solution. They gene- rally consist of gum, or of a mixture of gummy with saccharine and farinaceous sub- stances. Demulcents act in two ways. 1. Applied in solution to an irritated or inflamed surface, they protect it against the influence of irritating matters. 2. Mixed with acrid substances, they blunt their acrimony, and render them less irritating to the parts with which they come in contact. Illustrations of these modes of action. Therapeutical applications. Question as to their mode of action in cases in which they cannot come into direct contact with the diseased surface, as in nephritic complaints. Probability that, in such cases, their solution acts as a mere diluent. Substances belonging to this class are useful also as diet for the sick. Used in pharmacy to suspend insoluble substances in water, and to give ad- hesiveness and consistence to pills and troches. GUM ARABIC—ACACIA. U.S.' Product of numerous species of Acacia, thorny trees or shrubs growing in Africa and Arabia. Mode of procuring the gum. Places in which it is collected. Places of export. Several varieties are known in commerce. For medical purposes it is sufficient to distin- guish two, viz. Turkey gum and Senegal gum. Turkey gum. Shape and size of the pieces—colour—cracks or fissures—effect of these on the transparency—great brittleness. Senegal gum. Shape and size of the pieces—colour—peculiar appearance of the surface —transparency. General properties—colour of the powder—smell—taste—relations to water and alcohol —effects of exposure upon the solution. Character as a demulcent. Therapeutical applications. Mucilage for drink made in the proportion of ^j. of gum to Oj. of water. Pharmaceutical uses. TRAGACANTH.—TRAGACANTHA. £7.5-. Product of several species of Astragalus, small, thorny shrubs, growing in Greece and Asia Minor. Mode of collection. Shape of pieces—colour—translucency—difficult pulve- rization—mode of pulverizing—odour—taste—relations to water. Components chiefly gum and bassorin. Tenacity of its mucilage. Purposes for which it is employed. SLIPPERY ELM BARK—ULMUS. U.S. The inner bark of Ulmus fulva or slippery elm, a large indigenous tree. preparation. Shape of the pieces—colour—texture—odour—taste—relations to water. Therapeutical applications. Used in infusion prepared in the proportion of External use. FLAXSEED— LINUM. U.S. Seeds of Linum usitatissimum, or common flax. A fixed oil is contained in the in- ternal parts, and mucilage in the skin. Mode of obtaining the oil. Called Linseed oil {Oleum Lini, U. S.). Colour, odour, and taste of the oil. Uses. Mode of extracting the mucilaginous 'ingredients. Decoction of the seeds improper. The infusion made in the proportion of ^j. to Oj. Uses of powdered flaxseed. LIQUORICE ROOT.-GLYCYRRHIZA. U.S. LIQUORICE.—EXTRACTUM GLYCYRRHIZiE. U. S. Root of Glycyrrhiza glabra, an herbaceous, perennial plant, indigenous in the south of Europe. Whence imported. Mode of |j- to Oj. ( 62 ) Shape and size of the root—character of the epidermis—colour externally and internally —colour of the powder—odour—taste—relations to water. Characteristic principle, a sweet substance called glycyrrhizin. Different from sugar. Uses of the root. Proportion in decoction, ^j. of the root to Oj. of water. Uses of the powdered root. Mode of preparing the extract. Place from which it is imported. Shape and size of the pieces—colour—appearance of the fracture—taste—impurities. Mode of refining. Shape and size of the pieces of refined liquorice. Uses. ICELAND MOSS.—CETRARIA. U.S. Cetraria Islandica (Lichen Islandicus, Linn). Indigenous in the north of Asia, Europe, and America. Size and shape of the plant—consistence—colour—odour—taste—relations to water. Interesting constituents, a starch-like principle to which it owes its demulcent properties, and a bitter principle. Solubilities of these two principles. Mode of separating the bitter. Effects on the system. Therapeutical uses. Administered in decoction made by boiling sjj. of the moss in Oiss. of water to Oj. Given ad libitum. IRISH MOSS.—CHONDRUS. U.S. Carrageen. Chondrus crispus {Fucus crispus, Linn.). General character of the plant. Place of its growth. Therapeutical uses. Mode of administration. The decoction made in the proportion of^ss. of the moss to Oj. of water. SAGO. 17. S. Product of Sagus Rumphii, or sago palm, indigenous in the East Indies. Obtained from thejnth of the trunk. Mode of preparation. Two varieties in the market—common sago and pearl sago. Shapejf6ize, and colour of the grains of common sago, and of those of pearl sago—taste —relations to water. Consists almost exclusively of starch. Uses in disease. Mode of preparing it for exhibition. Proportions for the decoction, 5|j. of sago to Oj. of water. Additions. TAPIOCA. U.S. Product of Jatropha Manihot, a plant of tropical America. Places in which it is cultivated. Two varieties—the sweet and bitter. "Difference between them. Tapioca ob- tained from the root. Mode of preparing it. Shape and size of the grains—colour—hardness—taste. Uses and mode of exhibition the same as those of sago. ARROW ROOT.—MARANTA. U. S. Product of Maranta arundinacea, and other species—plants of the West Indies— cultivated in our southern states. Obtained from the root. Mode of preparation. Form—colour—chemical nature—relations to water. Liability to mustiness. Purposes for which it is used. Mode of preparing it for use. Proportion for solution, a tablespoonful to the pint of water. Starch of the potato, and from other sources, is often substituted for arrow root. BARLEY—HORDEUM. U.S. Mode of preparing barley for medical use. Commonly called pearl barley {hordeum per- latum) when prepared. Shape and size of the grains—colour—chemical constitution—relations to water—lia- bility to mustiness. Medical uses. Form of administration. Decoction of barley (Decoc- tum Hordei, U.S.), commonly called barley water. Mode of preparation. Occasional ad- ditions. \ ( 63 ) CLASS XX. EMOLLIENTS. General Observations. Substances capable of retaining moisture, and forming a soft mass, without irritating properties. They serve only as vehicles of warmth and moisture to the skin. They are useful in relieving the tension of inflamed parts, and in promoting suppuration. The in- dividuals of the class are described under other heads. • CLASS XXI. DILUENTS. General Observations. Mild liquids, which serve to dilute the contents of the stomach and bowels, to fill the blood-vessels, and to increase and at the same time dilute the secretions. The only liquid which can be used for this purpose is water. Additions are generally made in order to give it flavour, to render it somewhat nutritive, or to answer some indication independent of mere dilution. The advantages resulting from diluent drinks are, that they render the fluids with which they mix in all parts of the body less irritating, and thus absolutely relieve inflammatory affections. They may also prove useful, in some instances, by re- storing a due degree of fluidity, and consequently of mobility, to the blood and secretions, rendered thick and viscid by disease. ( 64 ) CLASS XXII. Medicines belonging to the first great Division, not capable of being ar- ranged in any of the preceding Classes. ERGOT.—ERGOTA. U.S. Sometimes called spurred rye or Secale cornutum. Product of Secale cereale, or com- mon rye. - Part of the plant. Question as to its origin. - A - ^Size and shape of the grains—longitudinal furrows—colour, external and internal— 2* odour—taste—relations to water and alcohol. 3 . . . • Effects on the system. Consequences of its free and long continued use. Therapeutical applications. Given in powder or infusion. Dose of the powder, from 10 to 20 grains— of the infusion prepared with one drachm of ergot to four fluidounces of water, about f^j. —of the wine {Vinum Ergota, U.S.), fgj. to fgiij. - O-iL x0 fc 57) cUoLu. NUX VOMICA^. & W ■ Seeds of Strychnos Nux Vomica, a tree growing in the East Indies. ^Character of the fruit. ■j ■ ■ ■ ■ Shape and size of the seeds—character of the surface—structure—character of the in- ternal part—colour, external and internal—hardness—difficulty of pulverization—odour- taste—relations to water and alcohol. 3 . • - Active ingredients, two alkaline principles called strychnia and brucia. The latter found also in the false Angustura bark, but not used because similar in properties to strych- nia, and yet much weaker. A. - - - -Strychnia. Form—colour—odour—taste—effects of heat—solubility in water and alco- hol. Obtained for use from the bean of St. Ignatius. $.■•-■ Effects on the system. Poisonous action. Therapeutical applications. Dose of the • powder, 5 grains—of the alcoholic extract from half a grain to 2 grains—of strychnia, 7 from one-twelfth to one-sixth of a grain.^. External use of strychnia. Mode of applying it. ARSENIC—ARSENICUM. Probably inert in the metallic state. Exceedingly powerful in combination. The ar- senical preparations, when given in small doses, produce at first little obvious effect; but after a few days edematous swelling appears about the face, and if the medicine is perse- vered in, nausea occurs, with tremors, muscular debility, diminished force of the circula- tion, and other indications of an enfeebled condition of the vital powers. Their action appears to be compounded of an irritative operation upon the stomach, and of an operation entirely peculiar to themselves upon the system at large. They are evidently absorbed; as they produce the same effects when applied externally as when taken into the stomach. In large quantities they are powerfully poisonous. The symptoms produced are those of inflammation or disorganization of the mucous membrane of the stomach and bowels, com- .___plicated with great general prostration._ Symptoms enumerated. Treatment of the poi- /-"" sonous efiects of arsenic. Use oTtHe hydrated peroxide of iron as an antidote. Mode of 7 . - ■ preparing this oxide. '3, - -Arsenic is contra-indicated in all cases of irritated or inflamed stomach, and in states of disease attended with great prostration of the vital powers. Useful in intermittent dis- eases, in which it may be employed when circumstances forbid the use of quinia, or this medicine has been used ineffectually. Employed also in cutaneous affections, particularly in those of a scaly character, and in secondary syphilis especially when attended with nodes. The only preparations recognised by the U. S. Pharmacopoeia are the Arsenious acid and Solution of Arsenite of Potassa. The sensible and chemical properties of the acid have been already treated of. Its dose is one-twelfth of a grain, made into pill with the crumb of bread, and taken 3 times a day. Ap. ■ - Solution of Arsenite of Potassa—Liquor Potassa Arsenitis, U. S.—commonly called Fowler's solution. Mode of preparation—colour—taste. Dose, 10 drops, 2 or 3 times a day. MERCURY.—HYDRARGYRUM. U.S. t. • - - ■ The action of mercury is quite peculiar. 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XxiA yJyzyi//y^y^yX yA-to7<^ /z<^ yA7AA/./t A/i xci/n-A /z y zx// XZ,.'/./x.t/zX TAfy /■> A 77 7t<- /z< .■*/'/, X - < . \ < y y y AA/lX iZ>~yiyyyi-- KXiX^AtAxA-.^-sZ- tZZtoc. 7- 7/ //a / / A yx ' A 7 friy-jXyAi.- IX ytc*zAAy'UzAX y y/t.ji. i-Ky/ 'Xu. y/y/itzf, /yriJyA X* Az't• XlA ^ /yuA//v^ XAa AyXAy/A^y/Zteis&Aj c rl XU oAj ex/-Xxz A w . t ^. ^A yyyy, /t 7 yy/, y/^ A/y //i^it Z ■ X /yr < ■ \ * in.i. -Z/yJi-t^cz^ . cUzXl /t-y/4.77- ^-/y tu.--'.„y .^^y^cZ, >, .r,,^> yA /-z^z<.. Xz A >' A f" ' A A ( 65 ) ease. In this mode of action it is said to be alterative. More freely employed, it makes a • very sensible impression. The most evident symptoms are those ranked together under the name of salivation or ptyalism. Description of these symptoms. At the same time, it gives rise to an excitement of the circulation, evinced by a peculiar quick and jerking pulse, increases nervous susceptibility, augments most of the secretions, and invigorates absorption. Probably other unperceived changes take place in the system, the actions of ^ whichappear for a time to be completely revolutionized. The effects produced by mer- cury gradually subside, and, unless very severe, usually leave the general health unim- paired. Therapeutical applications of mercury considered, first, in reference to its general in- fluence upon the system as indicated by its action upon the gums; secondly, in reference to its alterative influence. The effects of mercury connected with its sialagogue opera- tion, upon which curative indications are founded, may be included under the following heads: / _ - 1. Excitement of the secretory functions. Circumstances under which it may be use- ^"" fill in reference to this effect. Whenever the secretions are arrested, and no contra-indi- cating circumstances exist. •g ~_- — 2. Altered condition of the capillary vessels. It is probably by some influence over these vessels that mercury proves useful in most chronic inflammations. It appears to be peculiarly adapted to inflammations attending a typhoid state of the system. / ___ _3. Peculiar action upon the liver. Upon this organ and its appendages mercury exerts <°- an influence greater, perhaps, than upon any other part of the system. Peculiarly adyan- tageous in hepatic inflammations and congestions, and in all the numerous complaints which have their origin or support in deranged conditions of this organ. 4. Excitement of the absorbents. Hence its use in dropsical complaints, and in chronic tumefactions, though it operates in these affections also upon other principles. 5. Local inflammation of the mouth and fauces. This is no doubt sometimes useful by its revulsive influence. But it is seldom advisable to employ mercury with a view to this effect alone; as there are other more convenient and safer modes of producing revulsion. 6. General revolutionizing action. There are some complaints in which the curative influence of mercury admits of explanation, in the present state of our knowledge, only by resorting to the supposition that it produces general effects incompatible with the deranged condition in which the disease consists. One of these complaints is syphilis. Observa- 7. ■ ' tions in relation to the prejudice against its use in this affection. Much of this preju- ' dice is ascribable to its abuse. Great care is requisite to restrain its action within due limits, and to persevere with it sufficiently long. The poisonous effects of lead upon the jf - -system constitute another disease in the cure of which mercury may be said to act by its revolutionizing influence. Further remarks in relation to its therapeutical application _J!jThe best modes of bringing the system under the mercurial influence next considered. -The belief stated that it acts through the medium of absorption. In general, when the object is to produce a gentle ptyalism, calomel or the blue pill may -.be given, the former in the dose of half a grain, or a grain, the latter in that of 3 or 5 grains, morning, noon, and night. Any purgative effect is to be counteracted by opium. In cases of irritable stomach, the dose may be reduced, and if necessary given more frequently. If the medicine cannot be taken by the stomach, it will be necessary to employ it exter- nallv For this purpose the mercurial ointment may be resorted to. This is also some- times useful as an addition to internal means, particularly where the disease exists in the course of the external absorbents. Places to which the ointment is applied, and mode of IC application. It is sometimes necessary to produce the mercurial influence very speedily. In such cases the medicine must be introduced by every avenue The doses are to be y . . . augmented, external frictions employed, and the ointment applied to blistered surfaces. ' ' Sometimes fumigation may be advantageously employed. / 2 - - ■ Great difference in the susceptibility of different persons to the action of mercury no- ' ticed. While in some instances it is almost impossible to affect the mouth m others excessive salivation is induced by small quantities of the medicine. Different diseases are attended with a difference in this susceptibility. Sometimes the medicine accumulates n the system, and after having been given for some time with no apparent effect break > out at length with an overwhelming force. Practical cautions founded on these facts A good rule is always to administer mercury with great caution, unless the necessity of the case demands its speedy action. In the great majority of cases, it is sufficient to produce the slightest effect upon the gums, and to give the medicine so as to sustain ^is effect / 3 — Description of the mercurial sore mouth in its different s ages and degrees of v olence. ' Dangers of excessive salivation. Condition of mouth sometimes left behind after its sub- sidence. Treatment of excessive salivation. . a.i^^j mitli ,y - Poisonous action of mercury on the constitution in some individuals. Attended with /Y great prostration. Generally observed in hospitals. Treatment. 9 ( 66 ) /$~. . . • Occasionally mercury produces excessive and exhausting sweats, sometimes a peculiar eruptive affection. Treatment under these circumstances. Alterative use of mercury next considered, viz. its use in quantities insufficient to pro- duce any obvious effects on the system. This employment of mercury is important It is especially advantageous in functional complaints of the digestive viscera, and more parti- cularly when the liver is involved. Remarks upon the colour and quantity of the fasces as an indication of the state of the hepatic function__The alterative use of mercury is called for when the stools are white or clay coloured or very dry and scanty, indicating a defi- cient secretion of bile—when they are very copious, liquid, and of a bilious colour, as in bilious diarrhoea and cholera morbus—and when they are dark coloured or black, and of a tarry consistence, as in melcena. Methods of administering mercury with a view to its alterative action__In chronic cases with constipation, a blue pill may be given, or from half a grain to a grain of calomel, every night or every other night, followed in the morn- ing, if the bowels be confined, by some gentle aperient. In acute cases, with irritable sto- mach and bowels, one-sixth of a grain of calomel or half a grain of the blue pill may be given every half hour, hour, or two hours, according to circumstances, and suspended when the requisite quantity has been taken—care being observed to avoid any effect upon the gums. A little opium may sometimes be advantageously added. The preparations of mer.cury considered in five divisions, 1. metallic mercury, 2. oxides, 3. chlorides, 4. salts, and 3. sulphurets. 1. Metallic Mercury. i . . - Not given internally in the liquid form. Always in a state of minute division. Mode '' of effecting this division. Change effected in the metal by trituration. Partial oxidation produced. A ■ 1. Mercurial ointment—Unguentum Hydrargyri, U.S. Constituents. Mode of prepa- ration. Colour. Effects of time upon the colour. Purposes for which it is employed. Modes of application. $. ■ - - 2. Mercurial plaster—Emplastrum Hydrargyri, U. S. Constituents, mode of prepara- tion and uses. 7, . . - 3. Mercurial pills—Pilula Hydrargyri, U. S.—commonly called blue pills. Constitu- - ents. Mode of preparation. Colour of the mass. Effects of age. Kept in mass or made into pills. In the former state called technically Massa Pilularum Hydrargyri. Weight of the officinal pill 3 grains, containing 1 grain of mercury. Relative virtues of this pre- paration. Dose, 1 pill 3 times a day as a sialagogue—1 every night or every other night as an alterative. The mass is sometimes advantageously given in emulsion. y. — 4. Mercury with chalk—Hydrargyrum cum Creta, U. S. Constituents. Mode of pre- paration. Therapeutical use. Dose, from 5 to 20 grains twice daily. 2. Oxides. y ~ - - 1. Black oxide of mercury—Hydrargyri Oxidum Nigrum, U.S. Mode of preparation- Chemical nature. Form and colour. Effects of time. Dose, from 1 to 3 grains, 2 or 3 times a day. 2. - - 2. Red oxide of Mercury—Hydrargyri Oxidum Rubrum, U. S.—commonly called red precipitate. Mode of preparation. Chemical nature. Form—colour—solubility in water. Used externally as an escharotic and stimulant Complaints in which it is employed. Modes of application. There is an officinal ointment called Unguentum Hydrargyri Oxidi Rubri. Much used. 3. Chlorides. / - - - 1. Mild chloride of mercury—Hydrargyri Chloridum Mite, U.S.—commonly called calo- mel—sometimes, but erroneously, submuriate of mercury. Chemically it is the protochlo- ride of mercury. Mode of preparation. Impurity. Mode of purifying it. Form—specific gravity—colour—taste—insolubility. Incornpatibles. Dose, from half a grain to a grain, 3 times a day. Howard's calomel. Relative value of calomel as a mercurial. 2. - ~ 2. Corrosive chloride of mercury—Hydrargyri Chloridum Corrosivum, U. S.—commonly called corrosive sublimate. Chemically it is the bichloride of mercury. Mode of pre- paration. State as first obtained. Powdered for use. Colour—taste—solubility in water and alcohol. Incornpatibles. Character as a sialagogue. Dangerous effects in overdoses. A corrosive poison. Therapeutical application. Dose, from one-eighth to one-quarter of a grain, 3 or 4 times a day. Given in pill or solution. /kZ "~ $ $< Salts. Jy-^~~\. Yellow sulphate of mercury—Hydrargyri Sulphas Flavus, U.S.—commonly called Turpeth mineral. Mode of preparation. Chemical nature. Form—colour—taste—insolu- bility. Dose, from half a grain to 1 grain as an alterative—from 2 to 5 grains as an Zyyyyy yu7 cXy tyrfxyA/i/Ls; Z/Zz A e'Atxy-^ -'/y'/ 'xyy/ 'Az x.zj,ts£_ u-r/XAc' /AAA. / Xu.y* fhxif UZtizLyi 6yyZax7/tXz^ toz' Ae /'Xt U-ZZ-/XZyX— yzxAU-XXlsZA ■ 7VtX~ az/zAj.yy yjytoiy'Zy X/A/L.£siX yZzXyj ZTyyvAx, yy 7i-l* tzXz yAyyyyyzA yr s/-AtX y^ yi^Z Z'( 7/A/Xtsu^- Alu Ai/AAlX yyx;,.y A-Z/yA-A /TAXyy^aAzz, r/7axxAX; rAAxuy/x JA £y>zA/ a/ /HrtasU. 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Scarcely ever used at present for these purposes. Sometimes employed as an errhine, diluted with 5 parts of starch. 2:----2. Ammoniated mercury—Hydrargyrum Ammoniatum, U. S.—commonly called white precipitate. Mode of preparation. Chemical composition. Form—colour—insolubility. Used only externally. Purposes for which it is employed. Mode of application. An oint- ment made with it is officinal under the name of ointment of ammoniated mercury. 3----3. Nitrate of Mercury. Used only in the form of ointment. Mode of preparing the ointment of nitrate of mercury (Unguentum Hydrargyri Nitratis, U.S.) commonly call- ed citrine ointment. Colour of the ointment Therapeutical applications. Frequently di- luted with lard. q.$. Sulphurets. /- 1. Red sulphur et of mercury—Hydrargyri Sulphuretum Rubrum, US.—commonly call- ed cinnabar. In the powdered state called vermilion. Mode of preparation. Chemical constitution. Appearance in mass—weight—colour—colour—of the powder—odour—taste —effects of heat—insolubility. Used only for fumigation. Mode of application. 2 . - - 2. Black sulphuret of mercury—Hydrargyri Sulphuretum Nigrum, U. S.—formerly Ethiops1 mineral. Mode of preparation. Chemical nature. Form—colour—odour—taste —insolubility. Scarcely ever used at present IODINE.—IODINUM. U.S. y---Chemical nature of iodine. Origin and mode of preparation. Form—weight—colour— aspect of the surface—odour—taste—relation to water, alcohol, and ether, as solvents. Effects upon the system— In small quantities it promotes the appetite, increases the ^ .. strength of the pulse, operates gently on the bowels, and appears to act as a tonic. But if continued, it is found greatly to promote absorption, and at the same time to increase almost all the secretions, so that emaciation results, and goes on increasing with the use of the medicine. If still longer continued, it gives rise to derangements of the nervous system. Digestion is at length impaired, and the patient is worn out with hectic symp- toms. When given in large doses, it produces the same effects in a greater degree, and the result is more speedy. In very large quantities it acts as a corrosive poison; but it is frequently rejected from the stomach, and therefore not necessarily fatal. More danger is said to accrue from small doses very lone continued than from an overdose at one time. g----Therapeutical applications of iodine. Dose, one quarter to half a grain, 3 times a day, and gradually increased to one grain or more. Never used in powder. Dissolved either in alcohol or in a watery solution of the iodide of potassium. The tincture is officinal. Proportion of iodine to alcohol. Dose, from 10 to 20 drops. Cautions as to the age of the tincture, and the mode of keeping it. A - - Iodide of potassium—Potassii Iodidum, U. S. Mode of preparing it. Form—colour— ^" effect of exposure—taste—relation to water and alcohol as solvents. Possibly converted into hydriodate of potassa in solution. Dose, 3 to 5 grains; but given lately in much larger doses with impunity. Its solution has the property of dissolving iodine. A conve- nient method of administering the medicine thus afforded. y - —- Compound Solution of Iodine—Liquor Iodini Composilus, U. S.—identical with LugoVs solution, given in the dose of 6 drops repeated twice a day and gradually increased. /----Numerous preparations of iodine besides those mentioned have been used. Such are the iodides of iron, of lead, of mercury, of starch, of sulphur, and of zinc, and the iodohyi, drargyrate of potassium. Reasons for thinking most of these superfluous. 7_ _ -Iodine is externally used in the way of bath or ointment. Proportions of the ointment, / " 9j. of iodine and gj. of lard. Effect on the skin. A compound ointment of Iodine is also officinal, containing 15 grains of iodine and 30 of iodide of potassium in Jj. of lard. ( 68 ) CLASS XXIII. ANTACIDS. General Observations. Substances which are capable of combining with and neutralizing acids. Hence all sali- fiable bases are antacids; but the alkalies, alkaline earths, and their carbonates, are the only ones used medicinally with this view. They are useful by correcting excess of acidity in the primse vise, and probably also in the blood. They serve also to correct or prevent acidity in the urine, and thus prove useful in the uric acid form of gravel. CARBONATES OF POTASSA. These have been already fully described. As antacids, the carbonate is given in the dose of from 10 to 30 grains, the bicarbonate in that of 20 to 40 grains. The infusion of hickory ashes and soot, sold in the shops under the name of alkaline infusion, is an im- pure solution of the carbonate of potassa. Mode of preparation and uses. Dose, f^ij. 3 times a day. CARBONATES OF SODA. 1. Carbonate of soda__Sodee Carbonas, U.S. Source, and mode of preparation. Shape of the crystals. Effect of exposure. Taste—solubility in water—alkaline reaction. Pro- portion of water of crystallization. Inequality of the salt as found in the shops. Better to use the dried carbonate. Dose of the anhydrous salt, from 10 to 30 grains—of the crys- tallized, from 30 to 60 grains. 2. Bicarbonate of soda.—Sodee Bicarbonas, U.S. Formerly called supercarbonate of soda. Mode of preparation. As usually found in the shops not strictly a bicarbonate. Taste and solubility. Advantages as an antacid and antilithic. Dose, from gss. to gj. Pleasantly administered in carbonic acid water with ginger syrup. AMMONIA. Sometimes used as a stimulant antacid. Given in the form of aqueous or alcoholic solution. Solution of ammonia {Liquor Ammonite, U.S.) and Spirit of ammonia (Spiritus Ammonia, U. S.) are officinal preparations. Seldom used internally. The Aromatic spirit of ammonia (Spiritus Ammonia Aromaticus, U. S.) is much employed. Uses. Dose, from 15 to 30 drops, largely diluted. Carbonate of ammonia may also be used as an antacid. Before treated of. LIME.—CALX. U.S. Employed in solution under the name of lime-water—Liquor Calcis, U. S. Mode of preparing lime-water. Effects of exposure to the air. Mode of keeping it. Proportion of lime dissolved. Taste. Therapeutical uses. Seldom given alone. Use of lime-water and milk. Effect of this mixture on the taste of the lime-water. Carbonate of lime much used, either in the form of chalk (Creta, U S.), or of oyster shells (Testa, U.S.). Mode of preparing chalk. Called by the United States Pharmacopoeia, when prepared, Creta Prceparata. Form—taste—insolubility in pure water. Solubility in water impregnated with carbonic acid. Combines astringency with antacid properties. Therapeutical applications. Given in powder or suspended in water by means of gum Arabic. Dose, from 10 to 20 or 30 grains, every hour or two, or less frequently. Mode of preparing oyster shells. Officinal title when prepared, Testa Praparata, U.S. Difference in composition from chalk. Ground of preference in certain cases. Dose and mode of administration the same. MAGNESIA. Already spoken of in relation to its preparation, sensible and chemical properties, and uses as a laxative. As an antacid it is one of the most powerful, in consequence of its low combining number. Cases to which it is applicable. Dose, from 10 grains to a drachm. The>carbonat« is occasionally used in double the dose. y .y ^AyL —y ■ ^^^m^mamm^^^^mm AxxylLy /AXz^Xyx^yyy^^ yyz/AxyXxyzxt/ /AisiyA Xy/zuX A/x/y ot*^ Aa/Azxy y.x^_x.y X yA Xxx/iyAi/xy^AA ^x'^x 4x+A. zA> z*~xA/xT, 5~s' X/) x - ,_ * . . y ^ + Xs7l/y~ &/£. -- // X/^ /ux^yyXy ^ /zy A/ 7y.-2>X// /ZyZiyA. Ay/AxX, - ^X AL //ty- y.ZtxlA-^ AyZHxC/xtfyy .'Z-yx>x:?y\- ^.y-yc.^X 7/ yX'^v.v _;XsZZx y AxzX /yAy . . Xyyyy. 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