Definition of Letrozole

Letrozole: An oral antiestrogen. Letrozole inhibits the enzyme aromatase in the adrenal glands that produces the estrogens (estradiol and estrone) and thereby lowers their levels. The brand name of letrozole is Femara.

See also: Aromatase inhibitor; monograph on Femara (letrozole).

Drug Medical Dictionary of Terms by Letter

• A
• B
• C
• D
• E
• F
• G
• H
• I
• J
• K
• L
• M
• N
• O
• P
• Q
• R
• S
• T
• U
• V
• W
• X
• Y
• Z

Medical Dictionary Term: