The manufacturer of Premarin was purchased by Pfizer in what year?
Premarin Premarin is the brand name for an estrogen medication that consists of conjugated estrogens isolated from the urine of pregnant mares (pregnant mares' urine). It is manufactured by Wyeth (now a part of Pfizer), and was first marketed in 1941 and 1942 in Canada and the United States, respectively, for the treatment of menopausal symptoms.
Sumatriptan/naproxen sodium Sumatriptan/naproxen sodium is a medication manufactured under the trade name Treximet (formerly known as Trexima) by GlaxoSmithKline and POZEN Pharmaceutical Development Company for the treatment of migraines.