Brand Names : Nolvadex, Apo-Tamox, Gen-Tamoxifen, Nolvadex-D, Novo-Tamoxifen, PMS-Tamoxifen, Tamofen, Tamone
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
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
If you have close family members (mother, sister, or daughter) with
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 this medicine will do as well as the risks of using it.
Tamoxifen is available only with your doctor's prescription, in the following
Tablets (U.S. and Canada)
Some commonly used brand names are:
In the U.S. -
In Canada -
Generic name product may be available in the U.S.