Letrozole, sold under the brand name Femara among others, is an aromatase inhibitor medication that is used in the treatment of breast cancer for post-menopausal women. It was patented in 1986 and approved for medical use in 1996. From Wikipedia
The former Bachelorette reveals the toll of medically induced menopause, dehydration, and risks from over 10 impacted lymph nodes.
