Tamoxilon 10mg Tablet is an anti-estrogens. It is used in the treatment of breast cancer. It is also used to reduce the risk of breast cancer in pre- and postmenopausal women with a high risk. This medicine helps to slow down the growth and multiplication of cancer cells. Tamoxilon 10mg Tablet is also helpful in the treatment of infertility. It can be taken with or without food, but take it at the same time to get the most benefit. It should be taken as your doctor's advice. The dose and how often you take it depends on what you are taking it for. Your doctor will decide how much you need to improve your symptoms. Swallow the tablets whole with a drink of water. This medicine is generally taken for 10 to 15 years. You should take this medicine for as long as it is prescribed for you. The most common side effects of this medicine include hot flashes, mood swings, vaginal discharge, vaginal bleeding, Nausea, and fluid retention. If these bother you or appear serious, let your doctor know. There may be ways of reducing or preventing them. Some side effects may mean you should inform your doctor immediately include vaginal bleeding, irregular menstrual period, and vaginal discharge. It makes birth control pills less effective, hence use a condom and other preventive measures to avoid pregnancy.