Femara

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Brand name: Femara

Chemical name: Letrozole

Class: Aromatase inhibitor hormonal therapy. Aromasin and Arimidex are other aromatase inhibitors.

How it works: Aromatase inhibitors lower the amount of estrogen in postmenopausal women.

Uses: Femara, used to treat postmenopausal women, typically is used to:

  • reduce the risk of early-stage, hormone-receptor-positive breast cancer coming back after surgery and other treatments
  • reduce the risk of early-stage, hormone-receptor-positive breast cancer coming back after 5 years of tamoxifen
  • treat advanced-stage, hormone-receptor-positive breast cancer

Femara usually is taken for 5 years. Doctors may recommend that some women take it for a longer or shorter period of time.

How it's given: Femara is taken orally as a pill.

Side effects:

Read more about Femara.

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