Who takes arimidex (anastrozole) for breast cancer?

PostMenopausal ER(+): Aramidex belongs to a class of drugs called aromatase inhibitors. These block the production of estrogen in women after menopause and are very effective chemotherapeutic meds for estrogen (+) women w/breast cancer. They may also be used for chemoprevention: high risk women may lower their risk of developing breast ca when this medication is taken for 5 years.

Post menopausal ER+: Women who are post-menopausal and have estrogen receptor positive breast cancer.