Coreg Images. What does Coreg look like? Note: Multiple pictures are displayed for those medicines available in different strengths, marketed under different brand names and for medicines manufactured by different pharmaceutical companies. Find patient medical information for Coreg Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Compare prices, print coupons and get savings tips for Coreg (Carvedilol) and other Hypertension and Heart Failure drugs at CVS, Walgreens, and other pharmacies. Prices start at $3.00 Learn about Coreg (Carvedilol) may treat, uses, dosage, side effects, drug interactions, warnings, patient labeling, reviews, and related medications. Coreg is a beta-adrenergic blocking agent (beta-blocker) used to treat heart failure, hypertension, and left ventricular dysfunction after a heart attack. Coreg (carvedilol) is a beta-blocker. Beta-blockers affect the heart and circulation (blood flow through arteries and veins). Coreg is used to treat heart failure and hypertension (high blood pressure).