Carvedilol is a beta-blocker that is used to decrease blood pressure and relieve the workload of the heart. It blocks some epinephrine and norepinephrine receptors to treat hypertension, and lengthens the atrial refractory period of the heart, decreasing heart rate. Carvedilol requires a prescription from a doctor. Carvedilol is a drug used in the treatment of hypertension, congestive heart failure, and left ventricular dysfunction. It is most commonly used to treat LVD in the post-myocardial infarction phase. Carvedilol may also be used for other purposes, as determined by the prescriber. Carvedilol works as a non-selective beta blocker and selective alpha-1 blocker. Carvedilol works, therefore, by inhibiting the beta-2 receptor, which decreases heart rate and contractility. As carvedilol is a non-selective beta blocker, patients experience side effects associated with the beta-1 receptor, too. Common side effects with carvedilol include dizziness, fatigue, hypotension, weight gain, bradycardia, weakness, diarrhea, and dry eyes.