The known, serious side effects of tamoxifen are blood clots, strokes, uterine cancer, and cataracts (see Questions 5–8). Other side effects
of tamoxifen are similar to the symptoms of menopause. The most common side effects
are hot flashes and vaginal
discharge. Some women experience irregular menstrual periods, headaches, fatigue, nausea and/or vomiting, vaginal dryness
or itching, irritation of the skin around the vagina, and skin rash.