# Metoprolol Tartrate (Lopressor)

Source: https://ourhealthnetwork.com/drugs/metoprolol-tartrate
Data: FDA Orange Book and OpenFDA, refreshed periodically

## What is Metoprolol Tartrate?

Metoprolol Tartrate (brand name: Lopressor) is a beta blocker. It is prescribed to treat hypertension, ventricular fibrillation, myocardial infarction. Across the United States, 229,000 doctors prescribe Metoprolol to approximately 4.1 million Medicare patients, making it one of the 50 most prescribed drugs in America.

## Brand names

Lopressor

## Indications

Metoprolol Tartrate is prescribed for several conditions including hypertension, ventricular fibrillation, myocardial infarction, among others.

## Conditions treated

- [Hypertension](https://ourhealthnetwork.com/conditions/hypertension)
- [Ventricular Fibrillation](https://ourhealthnetwork.com/conditions/ventricular-fibrillation)
- [Myocardial Infarction](https://ourhealthnetwork.com/conditions/myocardial-infarction)
- [Tachycardia](https://ourhealthnetwork.com/conditions/tachycardia)
- [Ventricular](https://ourhealthnetwork.com/conditions/ventricular)
- [Tachycardia](https://ourhealthnetwork.com/conditions/tachycardia)
- [Supraventricular](https://ourhealthnetwork.com/conditions/supraventricular)
- [Atrial Flutter](https://ourhealthnetwork.com/conditions/atrial-flutter)
- [Angina Pectoris](https://ourhealthnetwork.com/conditions/angina-pectoris)
- [Atrial Fibrillation](https://ourhealthnetwork.com/conditions/atrial-fibrillation)
- [Heart Failure](https://ourhealthnetwork.com/conditions/heart-failure)

## Mechanism of action

Metoprolol is a beta 1 -selective (cardioselective) adrenergic receptor blocking agent. This preferential effect is not absolute, however, and at higher plasma concentrations, metoprolol also inhibits beta 2 -adrenoreceptors, chiefly located in the bronchial and vascular musculature.

## Drug classification

- Established Pharmacologic Class: beta blockers
- Route of administration: ORAL

## Common side effects

blurred vision, confusion, constipation, depression, dizziness, dry mouth, edema, flatulence

## Sources and disclaimers

- FDA Orange Book and OpenFDA dataset
- This information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional before starting, stopping, or changing any medication.

## Related

- [All drugs](https://ourhealthnetwork.com/drugs)
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- [Methodology](https://ourhealthnetwork.com/methodology)