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A member asked:
Is the extended release xanex a lot like klonopin (clonazepam) as far as half life and lasting a long time ?
A doctor has provided 1 answer
The half life is : 10.7 to 15.8 hours for xanax (alprazolam) xr and for Klonopin it is 18-50 hours. Best wishes.
Answered 11/28/2017
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