<p>Carvedilol is a cardiovascular drug whose main pharmacological action is non-selective antagonism of &beta;-adrenergic receptors but which also possesses appreciable a-adrenergic antagonistic activity. It also has antiproliferative properties and is a scavenger of reactive free oxidant radicals. It is used in the treatment of hypertension, angina pectoris and congestive heart failure.</p>