letrozole
Also known as FEM345, Femara®, Letrozol
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.
Key facts
- Drug.Watchedfields
- changed
- Drug.verifiedrevid
- 460779010
- Drug.image
- Letrozole.svg
- Drug.image_class
- skin-invert-image
- Drug.width
- 225
- Drug.image2
- Letrozol3D.png
- Drug.image_class2
- bg-transparent
- Drug.width2
- 225
- Drug.tradename
- Femara, others
- Drug.MedlinePlus
- a698004
- Drug.DailyMedID
- Letrozole
- Drug.routes_of_administration
- By mouth
- Drug.class
~6 min read
Article
13 sectionsContents
- Medical uses
- Breast cancer
- Comparison with tamoxifen
- Ovulation induction
- Medical Abortion
- Use in sports
- Contraindications
- Side effects
- Interactions
- Pharmacology
- Pharmacodynamics
- Research
- References
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. In 2021, it was the 222nd most commonly prescribed medication in the United States, with more than 1million prescriptions. It is on the World Health Organization's List of Essential Medicines.