Find patient medical information for Metoprolol (Lopressor, Toprol XL, others) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Read on to learn about the side effects of metoprolol, including common, severe, and long-term side effects, and how to manage them. Metoprolol succinate is a once-daily, extended-release beta-blocker used to treat high blood pressure, angina, and heart failure. It lowers cardiovascular risk, improves exercise tolerance, and reduces hospitalizations. Metoprolol Tablets Metoprolol (Lopressor®) is a medication that lowers your blood pressure and heart rate, making it easier for your heart to pump blood to the rest of your body. It treats high blood pressure. It also prevents chest pain or further damage after a heart attack. It’s a type of beta-blocker. Metoprolol succinate (Toprol XL) is used to treat hypertension and to control chronic (long-term) chest pain. It's also used to lower the risk for hospitalization and death in people with heart failure. Metoprolol succinate (Toprol XL) is the extended-release version of metoprolol tartrate (Lopressor), but keep in mind the two versions don't treat the exact same conditions. And because. Metoprolol is used to treat angina (chest pain) and hypertension (high blood pressure). Learn about side effects, interactions and indications. Toprol XL (Metoprolol Succinate) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Metoprolol succinate is the long-acting form of metoprolol, a medicine commonly prescribed to treat high blood pressure and heart problems. The main difference is that metoprolol succinate only requires one dose per day versus several times a day for metoprolol tartrate. Metoprolol belongs to a class of medications called cardioselective beta blockers. These drugs work by reducing the amount. Metoprolol is used for a number of conditions, including angina, acute myocardial infarction, high blood pressure, supraventricular tachycardia, ventricular tachycardia, congestive heart failure, and prevention of migraine headaches. [5] It is an adjunct in the treatment of hyperthyroidism. [18] Both oral and intravenous forms of metoprolol are available for administration. [19] The different. Metoprolol may worsen the symptoms of heart failure in some patients. Check with your doctor right away if you are having chest pain or discomfort, dilated neck veins, extreme fatigue, irregular breathing or heartbeat, swelling of the face, fingers, feet, or lower legs, trouble breathing, or weight gain.