Efexor-XR 37.5mg CapsulesManufacturer: PfizerLicense Holder: PfizerOrigin: IrelandActive Substance: Venlafaxine HydrochlorideDrug Class: Serotonin-norepinephrine reuptake inhibitorsPharmacological effect: Efexor XR is a SNRIs antidepressant. The drug disturbs the chemicals in the brain in people wit..