Myotan CN 40/10 Tablet is a combination of two medicines used to treat high blood pressure and heart disease. It lowers blood pressure by relaxing blood vessels, which makes the heart more efficient at pumping blood throughout the body. Lowering blood pressure helps to prevent future heart attacks and stroke. Myotan CN 40/10 Tablet may be prescribed alone or in combination with other medicines. It may be taken with or without food during the day or at night. Take it regularly and at the same time each day to get the most benefit. Continue taking it even if you feel well or if your blood pressure is controlled. Most people with high blood pressure do not feel ill, but if you stop taking this medicine, your condition could get worse. Making some changes in your lifestyle will also help lower your blood pressure. These may include regular exercise, losing weight, smoking cessation, reducing alcohol intake, and reducing the amount of salt in your diet as advised by your doctor. This medicine is tolerated well by most patients and has few side effects. Dizziness, particularly after the first dose, is known to occur in some people. It may also cause headache and sleepiness in some people. Let your doctor know if these side effects bother you or do not go away. No weight gain has been seen with the regular use of this medicine. Before taking this medicine, let your doctor know if you have any kidney or liver problems. Pregnant or breastfeeding mothers should also consult their doctor before taking it. Your doctor may check your kidney function, blood pressure, and potassium levels in your blood at regular intervals while you are taking this medicine.