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In response to
"I'm betting coincidence. I'm skeptical of many of those expiration dates. -- nm"
by
pmb
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"Expiration" dates on most medicines are merely indicators of when their efficacy starts declining, I think.
Posted by
musubi
Aug 5 '09, 08:41
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For example, a pharmicist friend of mine has said that Ibuprofin loses about 10% efficacy every *year* past its "expiration" date. So taking an expired one just means it's slightly weaker.
Of course different meds have differeing half lives, so efficacy changes vary. No idea about Claritin.
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