Find patient medical information for Metoprolol Succinate Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and. Find a comprehensive guide to possible side effects including common and rare side effects when taking Lopressor (Metoprolol Tartrate) for healthcare professionals. Metoprolol oral tablet is available as generic drugs and as brandname drugs. Brand names: Lopressor and Toprol XL. Metoprolol comes as immediaterelease. Ahlcon Public School, Mayur Vihar Ph 1 Delhi, Best School in East delhi. Defective Drug attorneys Parker Waichman LLP, dedicated to defending Defective Drug victims. Contact us at for FREE case evaluation. Pictures of Lopressor (Metoprolol Tartrate), drug imprint information, side effects for the patient. Metoprolol is used to treat angina (chest pain) and hypertension (high blood pressure). Learn about side effects, interactions and indications. Learn about the potential side effects of metoprolol. Includes common and rare side effects information for consumers and healthcare professionals. Metoprolol is the generic form of the brandname drug Lopressor, prescribed to treat high blood pressure and prevent angina (chest pain). Metoprolol 25 milligrams is the generic name of Lopressor and Toprol XL. It is an antihypertensive medication, which means its primary function is to lower.