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 (ibuprofen), as well as the prescription drugs Premarin and Effexor, which both boast over US$3 billion in sales annually.
On January 23, 2009 The Wall Street Journal reported that Pfizer was in talks to buy Wyeth at a cost of US$68 billion. On January 25, Pfizer agreed to the purchase, a deal financed with cash, shares and loans. The deal was completed on October 15, 2009.