Medscape - Depression-specific dosing for Effexor, Effexor XR (venlafaxine), Extended release formulation: 37.5-300 mg/day 75-225 mg/day PO ; onset of relief may start in 1-2 weeks or take up to 6 weeks for . norepinephrine reuptake and weak inhibitors of dopamine reuptake; it does . What would...