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Nolvadex description. Tamoxifen ( ta-MOX-i-fen) is a medicine that blocks the effects of the estrogen hormone in the body. It is used to treat breast cancer in women or men. It may also be used to treat other kinds of cancer, as determined by your doctor. Tamoxifen also may be used to reduce the risk of developing breast cancer in women who have a high risk of developing breast cancer. Women at high risk for developing breast cancer are at least 35 years of age and have a combination of risk factors that make their chance of developing breast cancer 1. 67% or more over the next 5 years. Your doctor will help to determine your risk of developing breast cancer. The following are risk factors that may increase your chance of developing breast cancer: If you have close family members (mother, sister, or daughter) with breast cancer If you have ever had a breast biopsy or if high-risk changes in your breast(s) have been found from a breast biopsy If you have never been pregnant or if your first pregnancy occurred at a late age If your first menstrual period occurred at an early age The exact way that tamoxifen works against cancer is not known, but it may be related to the way it blocks the effects of estrogen on the body. Before you begin treatment with tamoxifen, you and your doctor should talk about the good Nolvadex will do as well as the risks of using it. Tamoxifen is available only with your doctor's prescription, in the following dosage form: Oral Tablets (U.S. and Canada) Nolvadex treatment. Your doctor has ordered the drug tamoxifen to help treat your illness. Tamoxifen comes as tablet to take by mouth. Nolvadex is used to: treat breast cancer reduce the risk of breast cancer in women at high risk for the disease Tamoxifen is in a class of drugs known as antiestrogens; it blocks the activity of estrogen, a female hormone produced by the body in the breast. The length of treatment depends on the types of drugs you are taking, how well your body responds to them, and the type of cancer you have. Brand names: - Apo-Tamox - Gen-Tamoxifen - Nolvadex - Nolvadex-D - Novo-Tamoxifen - PMS-Tamoxifen - Tamofen - Tamone - Tamoxifen |