2 Jul 2009
Generally it is not recommended that drugs are used past their expiry date. This is because the manufacturer can no longer guarantee their safety or efficacy. In this case Promethazine starts destabilising once the bottle is open and exposed to oxygen making it less effective. If you were to use the expired medicine it will probably be ineffective.
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If the expiration date on the foil of my Microgestin FE 1/20 pack says it expires 11/2011, is it still safe and potent beyond that date?
1 answer • 13 Mar 2011
Are they safe to take after expiration date?
1 answer • 3 Sep 2011
1 answer • 12 Dec 2013
How long is it effective for past the expiration date? Is there any danger in taking it if the bottle expiration date is a few years ?
1 answer • 8 May 2015
I had a box that was new and one that was a year past its expiration date. I used the old one by mistake. Is it going to harm me in any way?
0 answers • 8 Jun 2015