Lopressor (metoprolol tartrate) is a prescription drug that’s used to treat certain heart-related conditions. The drug comes as a tablet you swallow. It’s usually taken once or twice per day. The ...

Propranolol and metoprolol are both beta-blockers, which are a class of drugs taken for heart conditions, including angina (chest pain), arrhythmias (heart rhythm disorders), and high blood pressure.

Lopressor (metoprolol tartrate) is a brand-name drug prescribed for heart conditions, including high blood pressure and chest pain in adults. Lopressor comes as an oral tablet that’s typically taken ...