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A member asked:

How long does it take xanax (alprazolam) to start working? how long does it last?

A doctor has provided 1 answer
Dr. Robert Grindstaff answered

Specializes in Addiction Medicine

Xanax (alprazolam): it only takes Xanax (alprazolam) a couple hours to begin to work and it has a half life of 11 - 16 hours so it will last between 11 to 16 hours

Dr Maes agreed

Answered 9/14/2014

3.7k views

Thank

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