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Medications and Drugs

Brand Names: Femara

Generic Name: letrozole (Pronunciation: LET row zol)

What is letrozole (Femara)?

Letrozole lowers estrogen levels in postmenopausal women, which may slow the growth of certain types of breast tumors that need estrogen to grow in the body.

Letrozole is used to treat breast cancer in postmenopausal women. It is often given to women who have been taking tamoxifen (Nolvadex, Soltamox) for 5 years.

Letrozole may also be used for purposes other than those listed here.

Letrozole 2.5 mg-TEV

round, yellow, imprinted with TEVA, B1

What are the possible side effects of letrozole (Femara)?

Stop using letrozole and get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Less serious side effects may include:

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about letrozole (Femara)?

Before taking letrozole, tell your doctor if you have liver disease. You may need a dose adjustment or special tests to safely take this medication.

Use this medication exactly as it was prescribed for you. Do not use it in larger doses or for longer than recommended by your doctor.

There may be other drugs that can affect letrozole. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.

Stop using this medication and get emergency medical help if you think you have used too much medicine, or if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Less serious side effects are more likely, and you may have none at all. Talk to your doctor about any side effect that seems unusual or is especially bothersome.



Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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