Also Known As: Desvenlafaxine, Pristiq, O-desmethylvenlafaxine

Desvenlafaxine (brand namePristiq), also known as O-desmethylvenlafaxine, is an antidepressant of the serotonin-norepinephrine reuptake inhibitor class developed and marketed by Wyeth (now part ofPfizer). Desvenlafaxine is a synthetic form of the major active metabolite of venlafaxine (sold under the brand names Effexor and Efexor). It is being targeted as the first non-hormonal based treatment formenopause.[1]

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  • 0 = No improvement or Worse
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