What is the best estrogen blocker for breast cancer? Tamoxifen. Tamoxifen blocks estrogen from connecting to the cancer cells and telling them to grow and divide. While tamoxifen acts like an anti-estrogen in breast cells, it acts like an estrogen in other tissues, like the uterus and the bones.
What happens if you don’t take estrogen blockers after breast cancer? A study has found that postmenopausal women who stop taking hormonal therapy early or skip doses are much more likely to have a breast cancer recurrence than women who take hormonal therapy as prescribed.
What are the side effects of estrogen blockers?
- Hot flashes. A hot flash is also called a hot flush.
- Vaginal dryness and other vaginal issues. Vaginal dryness and vaginal discharge can be bothersome.
- Nausea and vomiting.
- Weight gain.
- Mood swings.
What are the names of estrogen blockers?
Medications that stop the body from making estrogen after menopause
- Anastrozole (Arimidex).
- Exemestane (Aromasin).
- Letrozole (Femara).