Paroxetine is an antidepressant that belongs to a group of medicines called selective serotonin reuptake inhibitors (SSRIs). Paroxetine works by increasing levels of serotonin, which helps reduce symptoms of depression and improves mood, anxiety, and other disorders. Paxil, one of the most commonly prescribed drugs for anxiety and depression, can sometimes cause unpleasant side effects. Here's what to know. Paroxetine, sold under the brand name Paxil among others, is an antidepressant medication of the selective serotonin reuptake inhibitor (SSRI) class [5] used to treat major depressive disorder, obsessive–compulsive disorder (OCD), panic disorder, social anxiety disorder, post-traumatic stress disorder (PTSD), generalized anxiety disorder, and. Paxil is the brand name of the generic drug paroxetine. It is an antidepressant in the selective serotonin reuptake inhibitor class. Doctors prescribe Paxil to treat major depressive disorder. Paxil is a selective serotonin reuptake inhibitor (SSRI) used in the treatment of depression, anxiety, panic disorder and post-traumatice stress disorder. Brisdelle® is used only to treat moderate to severe hot flashes caused by menopause. Paroxetine belongs to a group of medicines known as selective serotonin reuptake inhibitors (SSRIs). These medicines are thought to work by increasing the activity of the chemical called serotonin in the brain. Paxil is used to treat depression, obsessive-compulsive disorder and anxiety. Learn about side effects, interactions and indications. Learn about paroxetine (Paxil) usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Paxil (Paroxetine Hydrochloride) may treat depression, side effects, dosages, drug interactions, warnings, patient labeling, reviews, and more Find patient medical information for Paroxetine (Paxil) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings.