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A member asked:
How long is extended release 2mg xanax (alprazolam) half life, compared to 2mg klonopin half life?
7 doctors weighed in across 3 answers
Half Life of XanaxXR: The half life of Xanax (alprazolam) extended release is 11 hours to 17 hours in healthy individuals and is mainly excreted by the kidneys. People with kidney disease or the elderly can have a prolonged effect of the medication.
Answered 1/13/2016
3.8k views
Half life: the half life of Xanax (alprazolam) ER is form11-16 HRS where the half life of Klonopin is 20-50 HRS
Answered 2/25/2016
3.8k views
Xanax (alprazolam) XR vs Klonopin: The half-life for Xanax (alprazolam) XR is short 10.7–15.8 hours and the longer-term efficacy of Xanax (alprazolam) XR has not been systematically evaluated. Klonopin has an unusually long elimination half-life of 18–50 hours, it considered the longest-acting benzodiazepine.
Answered 9/15/2016
3.8k views
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