This guide does not tell you everything about Nolvadex and does not take the place of talking with your doctor. What is the most important information I should know about using Nolvadex to reduce the chance of getting breast cancer. Nolvadex is a prescription medicine that is like estrogen female hormone in some ways and different in other ways. Because it does this, Nolvadex may block the growth of breast cancers that need estrogen to grow cancers that are estrogen- or progesterone-receptor positive. Nolvadex can lower the chance of getting breast cancer in women with a higher than normal chance of getting breast cancer in the next five Testosterone Gel high-risk women and women with DCIS. This Medication Guide reviews the risks and benefits of using Nolvadex to reduce the chance of getting breast cancer in high-risk women and women with DCIS. This guide does not discuss the special benefits and decisions for people who already have breast cancer. DCIS means the cancer is only inside the milk ducts. Injectable Testosterone cream online treatment can include surgery, radiation, and chemotherapy. Nolvadex may keep the cancer from spreading to others parts of the body.