A member asked:

I started cymbalta (duloxetine) and concerta a couple days ago. how long should i wait before i can judge the effects?

A doctor has provided 1 answer

They are two....: They are 2 different drugs. Concerta's therapeutic effects can be experienced on day 1. Cymbalta (duloxetine) may take one to four weeks before you can feel the benefits. Side effects from either drug can occur with the very 1st dose.

Answered 11/2/2015

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Thank

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