Effexor XRVenlafaxineWYETH. Rx quality 28 Tablets 150mg . Category:Antidepressant Anti-anxiety agent antipanic agent Treating depression, generalized or social anxiety disorder, or panic disorder. It may also be used for other conditions as determined by your doctor.Effexor XR Extended-Release Capsules is a serotonin and norepinephrine reuptake inhibitor (SNRI). It works by restoring the balance of certain natural substances in the brain (serotonin and norepinephrine), which helps to improve certain mood problemsVenlafaxine is an antidepressant in a gr .