Pristiq (desvenlafaxine): Most antidepressants, including pristiq, (desvenlafaxine) take at least 2-3 weeks to begin working -- maybe a little longer. Unfortunately side effects may show up a lot sooner. Hopefully you and your doctor will work together well, so that you get benefit.
Answered 1/25/2014
5.7k views
Pristiq (desvenlafaxine): Like most antidepressants, 4-6 weeks to see full response.
Answered 5/8/2016
5.6k views
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