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. Paroxetine (Paxil CR) treats depression, anxiety, OCD and PTSD. It increases the amount of serotonin in your brain. Find patient medical information for Paroxetine (Paxil) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Paroxetine is an oral drug that is used for treating depression. It is in a class of drugs called selective serotonin reuptake inhibitors (SSRIs), a class that also contains fluoxetine (Prozac), citalopram (Celexa), and sertraline (Zoloft). 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. 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 (Paroxetine Hydrochloride) may treat depression, side effects, dosages, drug interactions, warnings, patient labeling, reviews, and more Doctors may prescribe Paxil for depression or other conditions. This article provides an overview of Paxil, including its uses, side effects, and warnings. 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. Paroxetine affects chemicals in the brain that may be unbalanced in people with depression, anxiety, or other disorders. Paxil is used to treat depression, including major depressive disorder.