Fluoxetine

Pronounced floo-OX-e-teen

Brand names: Prozac

Type: SSRI antidepressant · All Mental Health Medicines

What Fluoxetine is used for

  • Depression
  • Obsessive-compulsive disorder
  • Panic disorder
  • Bulimia nervosa
  • Premenstrual dysphoric disorder

Common side effects

  • Nausea
  • Headache
  • Trouble sleeping
  • Sexual problems
  • Anxiety or restlessness when starting

Important cautions

  • Antidepressants carry a warning about increased suicidal thoughts in children, teenagers, and young adults — families should watch for sudden mood changes, especially when starting
  • Stopping suddenly can cause discontinuation symptoms — it is tapered with medical guidance, though this one leaves the body slowly
  • Combined with other serotonin-raising medicines it can cause serotonin syndrome, a medical emergency

How it comes

Capsules, tablets, liquid. This guide lists forms only — it never lists strengths or doses.

Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.