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. Like many medications, how long it takes to work depends on a few different factors, including why you’re taking it. 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] It is also approved for treatment of major depressive disorder in. 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. Fluoxetine (Prozac) is a medication that treats depression, anxiety, obsessive-compulsive disorder and eating disorders. It helps regulate your mood. 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. Most side effects are temporary and improve. Find patient medical information for Fluoxetine (Prozac, Sarafem, others) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Description Fluoxetine is used to treat depression, obsessive-compulsive disorder (OCD), bulimia nervosa, premenstrual dysphoric disorder (PMDD), and panic disorder. It is also used together with olanzapine to treat depression that is part of bipolar disorder and treatment resistant depression in patients who have received at least 2 previous treatments but did not work well. Fluoxetine is an. Prozac (fluoxetine) is an SSRI antidepressant used to treat depression, OCD, panic disorder, bulimia, and PMDD by boosting serotonin levels in the brain. Prozac (fluoxetine) can cause insomnia, drowsiness, and less sex drive in some people. Review a list of common Prozac side effects, plus ways to manage them. Learn about the side effects of Prozac (fluoxetine), from common to rare, for consumers and healthcare professionals.