How Long Does Pyridostigmine Bromide Last?

16.2 Storage and Handling Store refrigerated between 2°C to 8°C (36°F to 46°F) in carton or foil overwrap to protect from light until the expiration date. Once removed from refrigerator, store at 20°C to 25°C (68°F to 77°F) [see USP controlled room temperature] in carton or foil overwrap for up to 5 years minus half of the time spent under refrigerated storage or until the expiration date, whichever comes first. Following removal of the blister packages from the foil overwrap, discard the contents of the blister package after 14 months or after the expiration date, whichever comes first.