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Letrozole
Pronounced LET-ro-zole
Brand names: Femara
Type: Aromatase inhibitor · All Women's Health Medicines
What Letrozole is used for
- Breast cancer treatment in postmenopausal women
- Ovulation induction for infertility (clinician-directed)
Common side effects
- Hot flashes
- Joint pain
- Headache
- Tiredness
- Bone thinning with long use
Important cautions
- Lowers estrogen strongly — bone density is monitored during cancer treatment
- Must not be used for fertility treatment once pregnancy has begun, as it can harm the baby
How it comes
Tablets. This guide lists forms only — it never lists strengths or doses.
Related medicines — Women's Health Medicines
Condition guides on MedicalVideos.com
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.