Prozac (fluoxetine) is an antidepressant that’s regularly used to treat depression, OCD, and a variety of anxiety disorders. If you’ve been prescribed Prozac, you’re probably wondering how long it will take to start working, and when exactly you can expect to feel better. Prozac is a prescription drug used to treat depression and other mental health conditions. Learn about the drug’s dosages, form, strengths, and more. Find patient medical information for Fluoxetine (Prozac, Sarafem, others) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings What is Prozac? Prozac is the brand name for fluoxetine. Like Lexapro, Prozac helps treat depression and anxiety, and is also approved for other conditions, like panic disorder. Prozac comes in the form of an immediate-release pill, a delayed-release pill, or a liquid. Prozac (fluoxetine) is an SSRI antidepressant used to treat depression, OCD, panic disorder, bulimia, and PMDD by boosting serotonin levels in the brain. Fluoxetine is used to treat depression, obsessive-compulsive disorder (OCD), bulimia nervosa, premenstrual dysphoric disorder (PMDD), and panic disorder. Prozac (fluoxetine) is a widely prescribed antidepressant, helping millions of people manage depression, anxiety, OCD, and other mental health conditions. While Prozac can be highly effective, understanding what side effects to expect and when they typically occur can help you prepare for treatment and know when to contact your healthcare provider. Fluoxetine, sold under the brand name Prozac, among others, is an antidepressant medication of the selective serotonin reuptake inhibitor (SSRI) class [2] used for the treatment of major depressive disorder, anxiety, obsessive–compulsive disorder (OCD), panic disorder, premenstrual dysphoric disorder, and bulimia nervosa. [2] Fluoxetine (Prozac) is a prescription antidepressant used to treat depression, OCD, bulimia, panic disorder, and PMDD. Learn about uses, dosage, side effects, and warnings. Prozac is a prescription medicine used to treat symptoms of major depressive disorder, obsessive-compulsive disorder, panic disorder, premenstrual dysphoric disorder (PMDD), and bulimia nervosa. Learn about side effects, dosages, drug interaction, warnings, and more.