Constipation, loss of appetite, and nausea are some of the most common side effects of Effexor (venlafaxine). Here’s how you can manage Effexor side effects. Effexor XR (venlafaxine) is used to treat major depressive disorder, anxiety, and panic disorder. Includes Effexor XR side effects, interactions and indications. This guide is adapted from the clinician guide at the Psychopharmacology Institute. For the complete clinical resource, visit: Venlafaxine Guide: Pharmacology, Indications, Dosing Guidelines and Adverse Effects What is Venlafaxine? Venlafaxine (brand name Effexor) is an antidepressant that belongs to a class called SNRIs (serotonin-norepinephrine reuptake inhibitors). It’s approved for. Description Venlafaxine is used to treat depression. It is also used to treat general anxiety disorder, social anxiety disorder, and panic disorder. Venlafaxine belongs to a group of medicines known as serotonin and norepinephrine reuptake inhibitors (SNRI). These medicines are thought to work by increasing the activity of a chemical called serotonin in the brain. This medicine is available. Venlafaxine, sold under the brand name Effexor among others, is an antidepressant medication of the serotonin–norepinephrine reuptake inhibitor (SNRI) class. [5][9] It is used to treat major depressive disorder, generalized anxiety disorder, panic disorder, and social anxiety disorder. [9] Studies have shown that venlafaxine improves post-traumatic stress disorder (PTSD) as a recommended. Effexor (Venlafaxine Hydrochloride) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Click to learn about EFFEXOR XR® (venlafaxine HCl). Please see the Med Guide & Full Prescribing Info, including Boxed WARNING. Exclusive updates on Venlafaxine Guide: Pharmacology, Indications, Dosing Guidelines and Adverse Effects. Earn CME credits today with Psychopharmacology Institute. Find patient medical information for Venlafaxine (Effexor) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Venlafaxine (Effexor) is a potent SNRI for major depression, GAD, and panic disorder. Learn about its blood pressure effects, discontinuation syndrome, and global pricing.