Fluoxetine (Prozac) is a prescription antidepressant used to treat depression, OCD, bulimia, panic disorder, and PMDD. Learn about uses, dosage, side effects, and warnings. Find patient medical information for Fluoxetine (Prozac, Sarafem, others) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Fluoxetine is in a class of medications called selective serotonin reuptake inhibitors (SSRIs). It works by increasing the amount of serotonin, a natural substance in the brain that helps maintain mental balance. 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]. PROZAC ® (fluoxetine capsules, USP) is a selective serotonin reuptake inhibitor for oral administration. It is also marketed for the treatment of premenstrual dysphoric disorder (Sarafem ®, fluoxetine hydrochloride). Non-FDA-approved uses for fluoxetine include binge eating disorder, social anxiety disorder, premenstrual dysphoric disorder, borderline personality disorder, Raynaud phenomenon, and selective mutism. Fluoxetine is an antidepressant and belongs to a group of medicines known as selective serotonin reuptake inhibitors (SSRIs). This medicine works by increasing the activity of a chemical called serotonin in the brain. This medicine is available only with your doctor's prescription. View fluoxetine information, including dose, uses, side-effects, pregnancy, breast feeding, contra-indications, important safety information and directions for administration. Fluoxetine tablets, USP 60 mg, are available as 60-mg (fluoxetine base equivalent), film coated, functionally scored, capsule-shaped, white tablets debossed with “FL 60” on one side (“FL” above. Prozac (fluoxetine) is a brand-name medication prescribed to treat depression, OCD, and anxiety. We explain how it works and why it may help treat anxiety.