DESCRIPTION. 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). Prozac, or fluoxetine, is an antidepressant in a class known as selective serotonin reuptake inhibitors (SSRIs). This class of medications are the most commonly prescribed antidepressants. Prozac can be prescribed to treat several conditions, such as depression, panic attacks, obsessive compulsive disorder, bulimia nervosa, and. How to use Prozac. Read the Medication Guide provided by your pharmacist before you start using fluoxetine and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Fluoxetine (Prozac) is used to treat depression, obsessive-compulsive disorder (bothersome thoughts that won't go away and the need to perform certain actions over and over), some eating disorders, and panic attacks (sudden, unexpected attacks of extreme fear and worry about these attacks). Prozac (Fluoxetine) is among the most popular antidepressant medications on the market. It operates as an SSRI (selective-serotonin reuptake inhibitor) meaning it prevents the reuptake of the neurotransmitter serotonin. Antidepressant withdrawal began to come to the attention of doctors and patients in the mid-1990s. Over the past several years, antidepressant manufacturers have adamantly denied that the drugs are addictive or habit forming. Along with its needed effects, fluoxetine (the active ingredient contained in Prozac) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Prozac (fluoxetine) is a selective serotonin reuptake inhibitor (SSRI) antidepressant. Fluoxetine affects chemicals in the brain that may be unbalanced in people with depression, panic, anxiety, or obsessive-compulsive symptoms. Zoloft withdrawal, Zoloft withdrawal side effects, and Zoloft solutions. Zoloft. Tapering off of Zoloft does not have to be difficult and handling current Zoloft withdrawal can be resolved quickly. Prozac is the brand name of fluoxetine, a prescription drug used to treat depression. This antidepressant is in a class of drugs known as selective serotonin reuptake inhibitors, or SSRIs.