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.
As with any medicine, side effects are possible with letrozole.
However, not everyone who takes the drug will experience side effects. In fact, most people tolerate it quite well. If side effects do occur, in most cases, they are minor and either require no treatment or can easily be treated by you or your healthcare provider. Serious side effects are less common.
Common side effects seen with letrozole include but are not limited to:
(Click Side Effects of Letrozole to learn more, including potentially serious side effects you should report immediately to your healthcare provider.)
The following eMedTV articles describe specific side effects of letrozole: