Paxil is used to treat depression, obsessive-compulsive disorder and anxiety. Learn about side effects, interactions and indications. Paxil (Paroxetine Hydrochloride) may treat depression, side effects, dosages, drug interactions, warnings, patient labeling, reviews, and more 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 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. 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. 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 is known as a selective serotonin reuptake inhibitor (SSRI). This medication may improve your mood, sleep, appetite, and energy level and may help restore your interest in daily living. It may decrease fear, anxiety, unwanted thoughts, and the number of panic attacks. 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.