Coreg Carvedilol tablets What do carvedilol tablets do?CARVEDILOL (Coreg(TM)) belongs to a group of medicines called beta-blockers. Beta-blockers have many actions on the heart and blood vessels. Carvedilol is used for high blood pressure (hypertension) and heart failure. Carvedilol controls, but does not cure, high blood pressure. High blood pressure may not make you feel sick, but it can lead to serious health problems.