Arimidex (Anastrozole) belongs to the group of cancer-fighting medications known as antineoplastics, and specifically to the group of antineoplastics known as nonsteroidal aromatase inhibitors. It fights Breast Cancer by inactivating an enzyme known as aromatase. This prevents the enzyme from supplying the estrogen that allows certain types of breast cancers to grow.
Arimidex (Anastrozole) can be used after surgery to treat postmenopausal women with hormone-receptor-positive early breast cancer. Arimidex (Anastrozole) can also be used to treat postmenopausal women with advanced breast cancer.

Anastrozole can also be used off-label in men. Some reasons for taking anastrozole in men are low testosterone levels, prostate conditions, enlarged breasts, or high estrogen levels caused by steroid use. The standard dosage of Anastrozole for men is typically 1 mg per day. This dosage is often recommended by healthcare professionals to regulate estrogen levels and manage related symptoms. However, it is essential to note that dosages may vary based on individual factors, such as the severity of estrogen-related issues and response to treatment. Anastrozole can improve testosterone effects and reduce estrogen-related side effects in men.

Your doctor may have suggested Arimidex (Anastrozole) for conditions other than those listed in these drug information description. If you have not discussed this with your doctor or are not sure why you are taking Arimidex (Anastrozole), speak to your doctor. Do not stop taking Arimidex (Anastrozole) without consulting your doctor.

Do not give Arimidex (Anastrozole) to anyone else, even if they have the same symptoms as you do. It can be harmful for people to take this medication if their doctor has not prescribed it.