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A member asked:

How long does it take effexor (venlafaxine) to get out of your system if you have only been taking it for a week?

A doctor has provided 1 answer
Dr. Pamela Pappas answered

Specializes in Psychiatry

Effexor (venlafaxine): Effexor (venlafaxine) and its breakdown product have half-lives of 5 and 11 hours, respectively. This means that both should be gone from your system in 55 hours, or about 2.5 days.

Dr Ali and another doctor agreed

Answered 9/1/2018

5.5k views

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Everytime I take my effexor, (venlafaxine) all of my hairs stand up, I get tingly goosebumps, is it normal to feel that? Doc is letting me choose new med to switch2

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