Paxil is used to treat depression, obsessive-compulsive disorder and anxiety. Learn about side effects, interactions and indications. Paroxetine is the generic version of the brand-name medication Paxil, an FDA-approved selective serotonin reuptake inhibitor (SSRI) used primarily to treat depression, anxiety, and panic disorders. Paroxetine (Paxil, Brisdelle) is used to treat depression. It may also be used to treat anxiety disorders, obsessive compulsive disorder, panic attacks, post traumatic stress, and premenstrual dysphoric disorder (PMDD). PAROXETINE (pa ROX e teen) treats depression, anxiety, obsessive-compulsive disorder (OCD), post-traumatic stress disorder (PTSD), and premenstrual dysphoric disorder (PMDD). It increases the amount of serotonin in the brain, a hormone that helps regulate mood. 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. The brand-name medication Paxil, prescribed to treat various mental health conditions, has a generic equivalent called paroxetine. Paroxetine is a selective serotonin reuptake inhibitor (SSRI). These medications modulate the levels of the chemical messenger serotonin in the brain. This guide details paroxetine, the generic for Paxil, explaining its equivalence to the brand name, its medical purpose, and patient safety considerations. Wondering when a generic version of Paxil will be available? Get details on FDA approval status, generic manufacturers, and patent expirations. PAROXETINE (pa ROX e teen) treats depression, anxiety, obsessive compulsive disorder (OCD), post-traumatic stress disorder (PTSD), and premenstrual dysphoric disorder (PMDD). Find patient medical information for Paroxetine (Paxil) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings.