Idix 20 CR Tablet is a medicine used to treat high blood pressure, heart-related chest pain (angina), and heart failure. It works by relaxing the blood vessels, so blood can flow more easily to the heart. Lowering blood pressure also helps prevent future heart attacks and stroke. Idix 20 CR Tablet should be taken with food. You should take it in the dose and duration as advised by the doctor. It is important to take it even if you feel well or if your blood pressure is controlled. Do not stop this medicine without talking to the doctor as your condition could get worse. Making some changes in your lifestyle will help in improving your condition. 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 but it may have a few side effects. These include dizziness, headache, and tiredness. Let your doctor know if these side effects bother you or do not go away. Before taking this medicine, let your doctor know if you have any heart or kidney diseases. Pregnant or breastfeeding mothers should also consult their doctor before taking this medicine.