Breast Cancer: Comparing Hormone-Blocking Treatments
When breast cancer is described as estrogen-receptor-positive (ER+), it means that estrogen helps these breast cancer cells grow. Hormone therapy is used in ER+ breast cancer to reduce the body's production of estrogen or to block its effects. This is done to stop the growth of cancer cells.
Hormone-blocking treatments, such as tamoxifen or an aromatase inhibitor, act on cells all over the body but generally cause fewer side effects than chemotherapy. If you are deciding what type of medicine to use, weigh the side effects and risks along with the benefits for your type of cancer.
When taking tamoxifen, you will need a pelvic exam every year. If you have any vaginal bleeding, other than normal menstrual bleeding, tell your doctor as soon as possible. This can be a sign of uterine precancer or cancer.
Neither chemotherapy nor hormone therapy is likely to cure breast cancer that has spread to another area of the body (metastasized). But each of these treatments can reduce symptoms and may prolong life.
eMedicineHealth Medical Reference from Healthwise
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