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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Need Information About Effexor

I have been on generic of effexor er 75 mg for several days. I am concerned about how long it takes to work and if I can expect insomnia vs drowiness. I am going through very intense insomnia due to anxiety and depression.
Any info you can five me on effexor would be appreciated.
Mon, 28 Apr 2014
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General & Family Physician 's  Response
Hello dear,
effexor contains venlafaxine.It takes at least 2 weeks for its antidepressant action(2-3 weeks).And,it is having some insomnia and drowsiness as a side effect.Anyhow,severe insomnia itself can cause drowsiness.You please see your doctor and get care for insomnia also.
Wishing you a faster recovery,and joyful days ahead.Take care.Thank you.
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Need Information About Effexor

Hello dear, effexor contains venlafaxine.It takes at least 2 weeks for its antidepressant action(2-3 weeks).And,it is having some insomnia and drowsiness as a side effect.Anyhow,severe insomnia itself can cause drowsiness.You please see your doctor and get care for insomnia also. Wishing you a faster recovery,and joyful days ahead.Take care.Thank you.