This medication is used to treat certain types of breast cancer (such as hormone-receptor-positive breast cancer) in women after menopause.
Letrozole is also used to help prevent the cancer from returning.
Some breast cancers are made to grow faster by a natural hormone called estrogen.
Letrozole decreases the amount of estrogen the body makes and helps to slow or reverse the growth of these breast cancers.
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Use this section to explain a set of product features, to link to a series of pages, or to answer common questions.