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
2 answers • 2 Jun 2013
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