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
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
0 answers • 27 May 2016