Cardivas is a medicine that contains carvedilol, an alpha and beta blocker used to treat hypertension, angina and heart failure. Learn about its uses, side effects, reviews, composition and precautions from 1mg, an online pharmacy platform in India. Cardivas 3.125 MG Tablet is a medication used in the treatment of hypertension (high blood pressure) and congestive heart failure (the reduced ability of the heart to pump enough blood throughout the body). It works by relaxing the blood vessels and improving the blood flow throughout the body. Cardivas 3.125 Tablet relaxes the blood vessels so that blood can flow more easily around your body and makes sure that your heart is getting a good supply of oxygen. This makes it less likely that you will suffer chest pain caused by angina. Cardivas 6.25 tablet contains carvedilol as its active ingredient. The dose and duration of this medicine is decided on the basis of your condition, by your treating doctor. You should take Cardivas 6.25 tablet as prescribed by your doctor and at fixed time for optimal results.