Fen Phen Overview

Fen-phen was an anti-obesity medication which consisted of two drugs: fenfluramine and phentermine. Fenfluramine, and later, a related drug, dexfenfluramine, was marketed by American Home Products, now known as Wyeth. After reports of valvular heart disease and pulmonary hypertension, primarily in women who had been undergoing treatment with Fen-phen, the Food and Drug Administration requested its withdrawal from the market in September 1997. The action was based on findings from...