taking effexor (venlafaxine) xr cause me to test positive on a drug test? i have been on effexor (venlafaxine) xr for 3 years.
1 doctor answer • 2 doctors weighed in
Psychiatry 34 years experience
No: Drug tests are usually looking for specific drugs of abuse. They don't check for any and all drugs you are taking. The only way Effexor (venlafaxine) will show up is if they specifically look for effexor, (venlafaxine) and there is no good reason for them to do that.
5266 viewsReviewed >2 years ago
Last updated Feb 23, 2018
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