However, pills such as acetaminophen, aspirin, antihistamines, or antacids are typically good up to their expiration date regardless of when you open them. "There are a few medications that are capsules that expire 2-3 months from opening, however they are rare," Hartzell said.2019-02-05
What medications become toxic after expiration?
Practically speaking, Hall said there is a handful of drugs known to degrade quite quickly, such as nitroglycerin tablets, insulin and tetracycline, an antibiotic that may become toxic to the kidneys after it expires.2018-10-24
Do Tums actually expire?
TUMS products include an expiration date on the package label. We do not recommend using TUMS after the expiration date.