A drug used to treat breast cancer, and to prevent it in women who are at a high risk of developing breast cancer. Tamoxifen blocks the effects of the hormone estrogen in the breast. It belongs to the family of drugs called antiestrogens.

GoldBamboo

... TAMOXIFEN (Nolvadex®) blocks the effects of estrogen hormone in the body. Tamoxifen is most commonly used to treat breast cancer in women or men. This drug may reduce the chance of breast cancer coming back in women previously treated with surgery, radiation, or chemotherapy. This drug may also help prevent breast cancer in certain women with a high risk of developing breast cancer. Occasionally this drug is used for other conditions. Generic tamoxifen tablets are available. ...
Drug Digest - more...

Tamoxifen Systematic (IUPAC) name (Z)-2-[4-(1,2-diphenylbut-1-eny ...
Wikipedia - [full article]

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