Find patient medical information for Metoprolol Succinate Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and. Physician reviewed Metoprolol Succinate ER patient information includes Metoprolol Succinate ER description, dosage and directions. The betablockers metoprolol tartrate and metoprolol succinate sound alike and treat some of the same conditions, but they're different drugs. Brand Names: Lopressor, Metoprolol Succinate ER, Metoprolol Tartrate, ToprolXL Generic Name: metoprolol. What are the possible side effects of. Metoprolol, marketed under the tradename Lopressor among others, is a medication of the selective 1 receptor blocker type. It is used to treat high blood pressure. Metoprolol Succinate ER 50mg Tablets (Generic Toprol XL) Metoprolol (Lopressor, Toprol XL) Considerations for Use USFDA Approved Indication: Heart Rate Control for Atrial Fibrillation Metoprolol succinate (ToprolXL) belongs to a group of drugs called betablockers. Doctors commonly prescribe this drug to treat high blood pressure, heart. Metoprolol Succinate reference guide for safe and effective use from the American Society of HealthSystem Pharmacists (AHFS DI). Welcome To Our Accredited Canadian Pharmacy With A Team Of Experienced And Licensed Pharmacists CIGNA 90 NOWSM MAINTENANCE DRUG LIST For customers who must fill their maintenance medications in a 90day supply Your plan includes a new maintenance medication.