Hormone replacement therapy (HRT) pills in their dispensers. They are used to treat the menopause. Days of the week are printed on the dispenser to remind the patient when to take her next pill and pills are taken on a monthly basis to coincide with the menstrual cycle. HRT is used to relieve the symptoms of the menopause by replacing female hormones. HRT can also help to prevent osteoporosis. However, side-effects include an increased risk of thrombosis and some forms of cancer.