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https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7040264/
Medical authorities state that expired medicine is safe to take, even those that expired years ago. It's true the effectiveness of a drug may decrease over time, but much of the original potency still remains even a decade after the expiration date.
Solid dosage forms, such as tablets and capsules, appear to be most stable past their expiration date.
Medication tablets, sealed in blister packs. Do they really go out of date? I've been through my cupboard looking for ibuprofen, and come across a load of other postnatal prescription painkillers that are two years past their use by date.
My wife reckons they should be chucked out, I'm all for eating them