1. Extending expiration dates of doxycycline tablets and capsules in strategic stockpiles: guidance for government public health and emergency response stakeholders Publication: Silver Spring, MD : Center for Drug Evaluation and Research, April 2019 Subject(s): Anthrax -- drug therapyCivil DefenseDoxycycline -- supply & distributionDoxycycline -- therapeutic usePost-Exposure ProphylaxisStrategic StockpileBiological AvailabilityDrug StabilityDrug StorageLegislation, DrugBiological AvailabilityHumansUnited StatesUnited States. Department of Health and Human Services.United States. Food and Drug Administration.United States.