The Related Drug Information Index provides comprehensive access to all drug information related to a specific drug Types of content include full prescribing information, drug summaries, Full Prescribing Information Continuing Medication Education (Full PI CME), Medication Guides, Risk Evaluation and Mitigation Strategies (REMS Summaries), REMS. Learn about the potential side effects of Metoprolol Tartrate (metoprolol). Includes common and rare side effects information for consumers and healthcare professionals. Metoprolol and metoprolol ER are both beta-blockers, and treat certain heart conditions by blocking the effects of the hormone, epinephrine, which causes the heart to beat slower. However, there are some differences between the two in terms of which conditions they treat. Metoprolol tartrate and metoprolol succinate contain the same active medication: metoprolol. However, they contain different salt forms. These salt forms, tartrate and succinate, are approved by. Metoprolol Tartrate is a beta-blocker that affects the heart and circulation (blood flow through arteries and veins). Metoprolol Tartrate is used to treat angina (chest pain) and hypertension (high blood pressure). By mouth using immediate-release medicines. For Adult. Initially 100 mg daily, increased if necessary to 200 mg daily in 1–2 divided doses, high doses are rarely required; maximum 400 mg per day. Metoprolol is a beta-blocker that affects the heart and circulation (blood flow through arteries and veins). Metoprolol is used to treat angina (chest pain) and hypertension (high blood pressure). It is also used to lower your risk of death or needing to be hospitalized for heart failure. Metoprolol Le métoprolol est une molécule chimique avec des propriétés bêta-bloquantes sur le système cardiovasculaire humain. Commercialisé sous plusieurs noms dont Lopressor et Bétaloc, il est disponible sous forme de sel de tartrate ou de succinate. Lopressor® (metoprolol tartrate) Injection, USP. DESCRIPTION. Lopressor, metoprolol tartrate USP, is a selective beta1-adrenoreceptor blocking agent, available in 5- mL ampuls for intravenous administration. How to use Metoprolol Tartrate. See also Warning section. Take this medication by mouth, with or right after a meal, as directed by your doctor, usually 1-3 times a day.