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Premarin is a prescription medication that is a mixture of natural equine (horse) estrogens. As an estrogen medication, it can help with several conditions, such as treating menopausal symptoms, preventing osteoporosis, and reducing the symptoms of certain cancers. Premarin comes in the form of a tablet and is taken once a day. Possible side effects include headaches, joint pain, and vaginal bleeding.
What Is Premarin?Premarin® (conjugated estrogens) is a prescription medication that contains a mixture of natural estrogen hormones. It is approved for a number of uses, such as:
- Treating menopausal symptoms, such as hot flashes and vaginal dryness
- Preventing osteoporosis in postmenopausal women
- Replacing hormones in younger women whose ovaries do not produce enough estrogen
- Reducing the symptoms of certain cancers (in both men and women) that have spread throughout the body.