It is used to treat breast cancer. It is also used to reduce the chances of breast cancer in high-risk patients.

Hot flashes, nausea, leg cramps, muscle aches, hair thinning, headache, and numb/tingling skin may occur. A loss of sexual ability/interest may occur in men. If these effects persist or worsen, notify your doctor promptly.

It is contraindicated in patients with known hypersensitivity to the drug