Anastrozole
Brand: Arimidex
No boxed warning on the current FDA label.
- Caution
- Bone loss and fractures; joint pain; only for postmenopausal women.
- Pregnancy
- Contraindicated in pregnancy: fetal harm.
Common side effects
- Hot flashes
- Joint and muscle pain
- Bone thinning
- Fatigue
Key interactions
- Estrogen-containing products oppose its effect
- Tamoxifen lowers its level
Counseling points
- Joint stiffness is common, especially in the morning
- Bone density is monitored
- Only for postmenopausal women
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