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).

Depression: The recommended dose is 1 capsule (20 mg) daily. Your doctor will review and adjust your dosage if necessary within 3 to 4 weeks of the start of treatment. If required, the dosage can be gradually increased up to a maximum of 3 capsules (60 mg) daily.

Bulimia nervosa: The recommended dose is 3 capsules (60 mg) daily.

Obsessive-compulsive disorder: The recommended dose is 1 capsule (20 mg) daily. Your doctor will review and adjust your dosage if necessary after 2 weeks of treatment.