Cancer Home > Letrozole
Letrozole is approved to treat postmenopausal women with certain forms of breast cancer. Among the types of breast cancer that can be treated with this medicine are early breast cancer that is hormone receptor-positive and advanced breast cancer that is either hormone receptor-positive or for which the hormone receptor is unknown. Side effects can include hot flashes, weakness, and joint pain.
What Is Letrozole?Letrozole (Femara®) is a prescription medication used to treat breast cancer in postmenopausal women. Specifically, the drug has been licensed to treat postmenopausal women who:
- Have early breast cancer that is hormone receptor-positive and who have had surgery
- Have taken tamoxifen (Nolvadex®, Soltamox™) for five years after surgery or radiation therapy for breast cancer
- Have advanced or metastatic (spreading) breast cancer that is either hormone receptor-positive or hormone receptor-unknown.