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I have an old prescription of phentermine, would it be harmful to use it?

3 Answers

debesq4 20 Jan 2010

The best bet is to call your pharmacy and inquire about expiration. Call a couple to compare answers.

Votes: +0
ooofta 1 Mar 2010

Do you still have it?

Votes: +0
finally beat hives 25 Jul 2011

I would do a web search re: the efficacy timeline for the drug. Many drugs last for decades with the only issue being loss of potency. Some drugs however, could deteriorate into toxic ingredients. The military did a study on some antibiotics in their supply chain and found them still effective and safe 20 years later. Do some research before you decide.

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