Wyeth, formerly one of the companies owned by American Home Products Corporation (AHP), was a pharmaceutical company. The company was based in Madison, New Jersey, USA. They were known for manufacturing the over-the-counter (OTC) drugs Robitussin and the analgesic Advil, as well as the prescription drugs Premarin and Effexor, which both boast over US$3 billion in sales annually.
In the late 1980s, Wyeth acquired the animal health businesses of Bristol-Myers and Parke-Davis. David J. Richards, M.D. was appointed to the Vice President position. Wyeth also acquired A.H. Robins, makers of Robitussin, ChapStick, Dimetapp, and the Dalkon Shield.