Yes and no. Unfortunately, eBay has become something of a customer service nightmare for most people, as is evidenced by the results of any search for contact eBay, call eBay, chat with eBay, or similar phrases. Articles, blog posts, and websites offering contact information all give different answers, and most of them are wrong.
It inhibits the action of aromatase enzymes, which causes the body to produce less estrogen. Because many breast cancers are sensitive to estrogen, less estrogen in the body can help keep the cancer from spreading. Anastrozole is used for off-label reasons as well, such as treating excess estrogen production in men.
Arimidex is the brand name of the generic drug anastrazole, used to treat breast cancer in postmenopausal women. Arimidex belongs to class of drugs known as nonsteroidal aromatase inhibitors, which slow or stop the growth of breast cancers that are stimulated by estrogen by decreasing the amount of estrogen the body makes after menopause.