Detailed Carvedilol dosage information for adults. Includes dosages for Hypertension, Congestive Heart Failure and Left Ventricular Dysfunction; plus renal, liver and dialysis adjustments. Carvedilol is used to treat heart failure (condition in which the heart cannot pump enough blood to all parts of the body) and high blood pressure. This randomized phase IIb trial studies how well low-dose carvedilol works in preventing heart failure in cancer survivors exposed to high dose anthracyclines for management of childhood cancer. Find patient medical information for Carvedilol Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Carvedilol is a beta-blocker. Beta-blockers affect the heart and circulation (blood flow through arteries and veins). Carvedilol is used to treat heart failure and hypertension (high blood pressure). A: Carvedilol is used to control heart rate and blood pressure, so it is possible to experience fatigue or low blood pressure with this medication. Carvedilol, sold under the brand name Coreg among others, is a medication used to treat high blood pressure, congestive heart failure (CHF), and left ventricular dysfunction in people who are otherwise stable. For high blood pressure, it is generally a second-line treatment. It is taken by mouth. Carvedilol tablets are usually given twice daily. For high blood pressure, the dose is 6.25 mg twice daily to a maximum of 25 mg twice daily. For congestive heart failure, the dose is 3.25 mg twice daily to a maximum of 25 mg twice daily. Learn about Coreg (Carvedilol) may treat, uses, dosage, side effects, drug interactions, warnings, patient labeling, reviews, and related medications. Pictures of Coreg (Carvedilol), drug imprint information, side effects for the patient.