• Metoprolol belongs to the calss of medications know as betablockers. It has many functions, including lowering pulse and blood pressure. Learn about high blood pressure (hypertension) medications such as ACE inhibitors, beta blockers, diuretics, angiotensin II receptor blockers, calcium. Metoprolol Tartrate Tablets BP 50mg Summary of Product Characteristics (SmPC) by AccordUK Ltd COMBINATION HYPERTENSION TREATMENTS; Recommendation for drug combination in uncomplicated hypertension Preferred Combination ACEI thiazide Looking for medication to treat high blood pressure? Find a list of current medications, their possible side effects, dosage, and efficacy when used to treat or. Metoprolol Tartrate is a betablocker that affects the heart and circulation (blood flow through arteries and veins). Metoprolol Tartrate may also be used. Metoprolol Tartrate 100 mg tablets Summary of Product Characteristics (SmPC) by Accord Healthcare Limited Find patient medical information for Metoprolol Tartrate Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and. Pictures of Lopressor (Metoprolol Tartrate), drug imprint information, side effects for the patient. Patient information for METOPROLOL TARTRATE TABLETS 50MG Including dosage instructions and possible side effects. 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.