Premarin (generic: conjugated estrogens) is a prescription medication used to treat moderate to severe hot flashes, vaginal dryness, and osteoporosis (thinning and weak bones) after menopause. It is also used to ease symptoms of certain cancers in both men and women. Premarin belongs to a group of drugs called estrogen hormones, which work by replacing estrogen that is normally produced by the body.
This medication comes in tablet form and is taken once a day, with or without food.
Common side effects of Premarin include headache, breast pain, and irregular vaginal bleeding.