Letronol Tablet is a medication used to treat breast cancer in post-menopausal women and infertility. It can be taken alone or with other treatments and can be used in advanced cases to prevent tumor spread. The dosage and frequency depend on the condition, and the patient should follow the prescribed treatment. Common side effects include hot flashes, fatigue, increased sweating, and hypercholesterolemia. Before taking Letronol Tablet, inform your doctor about any medical history, other medications, and pregnancy or breastfeeding.