what does the drug effexor treat
A: Effexor (venlafaxine) is in a drug class called selective serotonin and norepinephrine reuptake inhibitors (SNRIs). Effexor is used in the treatment of depression. In addition, Effexor XR (venlafaxine, long-acting) is used to treat generalized anxiety disorder (GAD), social anxiety disorder, and panic disorder.: Effexor (venlafaxine) is an antidepressant in a class of drugs called selective norepinephrine reuptake inhibitors (SNRIs). SNRIs affect chemicals in the brain that may become unbalanced and cause depression. Effexor is used to treat major depressive disorder, anxiety, and panic disorder.