Femara 2.5 mg tablets contain letrozole, an aromatase inhibitor used to treat hormone receptor-positive breast cancer in postmenopausal women./Description: Femara (letrozole) is a nonsteroidal aromatase inhibitor that reduces estrogen production by inhibiting the aromatase enzyme. Lowering estrogen levels helps slow or stop the growth of hormone receptor-positive breast cancer cells. Femara is indicated for the adjuvant treatment of early breast cancer, extended adjuvant treatment after standard tamoxifen therapy, and for advanced breast cancer in postmenopausal women.. Please Note that product description, color, ingredients, package and other information maybe different from the original pack kindly check the product for more accurate details.