Fulvestrant is an anti-estrogen medication. It works by blocking the actions of estrogen in the body. Certain types of breast cancer use estrogen to grow and multiply in the body. Fulvestrant is used to treat some hormone-related breast cancer. Fulvestrant is also used in postmenopausal women whose breast cancer has progressed after treatment with other anti-estrogen medication. Fulvestrant may also be used for purposes not listed in this medication guide.
Fulvestrant is a breast cancer medication used to treat women who have already gone through menopause. Patients who are prescribed Faslodex have usually also not responded well to other medications, and their breast cancer has spread to other areas of the body. Faslodex works by blocking estrogen, which is required for tumor growth.