A member asked:

How long does it take for zeprexa and effexor to leave the body after last taking either? how can we check how much of either are left in our system?

A doctor has provided 1 answer
Dr. James Goodpaster answered

Specializes in Dentistry

It Depends: Drugs clear the body at different rates depending on the form given, how much was given, how long you took it, what other meds you take and your own metabolic rate. Effexor has a half-life (time for half the dose to clear body) of up to 6 hours and Xyprexa's half-life is up to 30 days. These 2 meds usually are dosed for a long term and should not be stopped without MD supervision. Check with MD.

Answered 7/28/2017

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