A member asked:

How long until side effects stop with effexor (venlafaxine) 75mg?

A doctor has provided 1 answer

Days: The half life (how long it takes for half of the drug to be metabolized) of the parent compound is 5 hours and the active metabolite is 11 hours. It takes about 5 half lives for the drug to be fully metabolized. Thus it should be less than 3 days before the drug is completely metabolized and thus the effects to be gone. I hope this helps.

Answered 5/16/2016

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