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Sometimes anti-hormonal therapy will be recommended as an additional treatment. For this type of treatment, drugs are used to block estrogen, which can stimulate breast cancer cell growth.
Most types of anti-hormonal therapy are pill-based, and given for five to 10 years after surgery. Some block the effect of hormones while others lower the amount of hormones in the body. The most effective treatment may involve using more than one type over the course of several years. Your doctor will work with you to determine the most appropriate plan for you.
Side effects from these drugs are usually minimal, although some anti-hormonal therapies can cause side effects similar to those of menopause, such as hot flashes, weight gain, vaginal dryness, headaches, mood swings and hair thinning.