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Even medicines that are years past their expiration date and haven't always been kept in strict climate-controlled conditions may still retain their original potency, a small study suggests.
That is good news for people working in remote areas of the world where sometimes an expired medication is the only one available and the alternative is having no way to treat a serious illness, the study authors write in the journal Wilderness & Environmental Medicine.
"The expiry date on a drug packet is the last date a drug company will guarantee the drug content and stability when stored in the recommended conditions and in the original packaging," said lead study author Dr. Emma Browne of the British Antarctic Survey Medical Unit in Plymouth, UK.
"This date is not necessarily the point at which the drug becomes ineffective or dangerous, and for many medications, this window may be far longer than the usual two-to-three-year expiry date," she told Reuters Health by email.
Read more @ https://www.channelnewsasia.com/news/health/expired-drugs-may-remain-effective--safe-to-use-in-a-pinch-11268848