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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1 answer • 8 Sep 2009
Are they safe to take after expiration date?
1 answer • 3 Sep 2011
I have an unopened bottle of maximum strength biotin that has the expiration date of May 2013. Would it still be safe to take?
0 answers • 23 Aug 2014
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 ?
0 answers • 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