Risks

Side effects of hormone therapy for breast cancer include:

• Hot flashes
• Vaginal discharge
• Vaginal dryness or irritation
• Fatigue
• Nausea
• Joint and muscle pain
• Impotence in men with breast cancer

Less common, more-serious side effects of hormone therapy may include:

• Blood clots in veins
• Endometrial cancer or uterine cancer
• Cataracts
• Stroke
• Osteoporosis
• Heart disease