Femara

Generic name: Letrozole

Usage of Femara

Femara 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.

Femara 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.

Femara side effects

Get emergency medical help if you have signs of an allergic Reaction to Femara: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Common Femara side effects may include:

  • hot flashes, warmth or redness in your face or chest;
  • headache, dizziness, weakness;
  • bone pain, muscle or joint pain;
  • swelling, weight gain;
  • increased sweating; or
  • increased cholesterol in your blood.
  • This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

    Before taking Femara

    You should not use Femara if you are allergic to Letrozole, or if you have:

  • if you have not gone completely through menopause; or
  • you are pregnant.
  • Femara is for use only in women who can no longer get pregnant. Letrozole can harm an unborn baby. Do not use letrozole if you are pregnant. Use effective birth control if you are not past menopause. Keep using birth control for at least 3 weeks after your last dose of Femara. Tell your doctor if you think you may be pregnant.

    To make sure this medicine is safe for you, tell your doctor if you have:

  • liver disease (especially cirrhosis);
  • osteoporosis, osteopenia (low bone mineral density);
  • high cholesterol; or
  • if you also take tamoxifen.
  • You should not breastfeed while you are using letrozole and for at least 3 weeks after your last dose.

    How to use Femara

    Usual Adult Dose for Breast Cancer:

    For use as first-line treatment of postmenopausal women with hormone receptor positive or hormone receptor unknown locally advanced or metastatic breast cancer. Femara is also indicated for the treatment of advanced breast cancer in postmenopausal women with disease progression following antiestrogen therapy: 2.5 mg tablet orally administered once a day without regard to meals. In patients with advanced disease, Letrozole therapy should continue until tumor progression is evident.

    Usual Adult Dose for Breast Cancer - Adjuvant:

    For use as extended adjuvant treatment of early breast cancer in postmenopausal women who have received 5 years of adjuvant tamoxifen therapy: 2.5 mg tablet orally administered once a day without regard to meals. The optimal duration of treatment with Femara is not known. Treatment should be discontinued if there is a tumor relapse.

    Warnings

    Femara can harm an unborn baby or cause birth defects. Do not use if you are pregnant.

    Before taking Femara, tell your doctor if you have osteoporosis, high cholesterol, or liver disease (especially cirrhosis).

    Femara may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert. To be sure this medicine is helping your condition, your blood may need to be tested often. Your bone mineral density may also need to be checked. Visit your doctor regularly.

    Tell your doctor about all other medicines you use, especially tamoxifen (Soltamox).

    What other drugs will affect Femara

    Other drugs may interact with letrozole, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.

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