About anastrozole usp anastrozole usp
Aromatase inhibitor
Used for
- Treats hormone-receptor-positive breast cancer after menopause
- Can reduce breast cancer risk in selected high-risk postmenopausal women
Usual adult dose
1 mg by mouth once daily for breast cancer treatment.
Common side effects
- Hot flashes
- Joint or muscle pain
- Nausea
- Bone thinning and fractures
Important warnings
- Can weaken bones; bone density monitoring may be needed.
- Not for use during pregnancy; may harm an unborn baby.
- May raise cholesterol levels.
- Seek urgent care for signs of a severe allergic reaction.
Pregnancy
Avoid during pregnancy; it may cause fetal harm. Pregnancy status should be checked before treatment.
Breastfeeding
Do not breastfeed during treatment and for at least two weeks after the final dose.
Interactions
- Tamoxifen can reduce anastrozole levels and effects.
- Estrogen-containing medicines may reduce its effect.
- Check with a clinician or pharmacist before combining medicines or supplements.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.