Letrozole (Systemic)

Brand name(s): Femara

Before Using This Medicine

In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For letrozole, the following should be considered:

Allergies-Tell your doctor if you have ever had any unusual or allergic reaction to letrozole. Also tell your health care professional if you are allergic to any other substances, such as foods, preservatives, or dyes.

Pregnancy-This medicine is meant to be used only by women who are no longer able to have children. If this medicine is taken by a pregnant woman for any reason it may cause harm to, and possibly even death of, the fetus.

Older adults-This medicine has been tested and has not been shown to cause different effects in older women than in younger adults.

Other medical problems-The presence of other medical problems may affect the use of letrozole. Make sure you tell your doctor if you have any other medical problems, especially:

• Kidney disease or
• Liver disease-Problems are not likely to occur in people with mild kidney or liver disease. However, it is not known whether severe kidney or liver disease may increase the chance of side effects during treatment

Last Revised: 02/13/2001