A member asked:

What's the difference between ativan and klonopin (clonazepam)?

5 doctors weighed in across 2 answers

1/2 life: Ativan has quicker onset and excretion;whereas Klonopin (clonazepam) is longer to take effect and stays in body longer.

Answered 6/9/2016

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Dr. Alan Ali answered

Specializes in Psychiatry

Ativan/klonopin: Ativan can last 4-6 hours, Klonopin (clonazepam) up to 12 hours. Also, Ativan can be injected and that is used in er for emergencies. There is a form of Klonopin (clonazepam) that works fast and can be dissolved on tongue, called Klonopin (clonazepam) wafers.

Answered 9/28/2016

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