Drug points: Interaction between cyclosporin and fluoxetine

Abstract
Dr R C HORTON and Mr R S BONSER (Queen Elizabeth Hospital, Birmingham B15 2TH) write: We report an interaction between cyclosporin and fluoxetine causing a rise in cyclosporin concentrations. A 59 year old man underwent cardiac transplantation for end stage heart failure. Cyclosporin was given as an immunosuppressant, and he was maintained on 225 mg twice daily with a stable trough whole blood concentration …