Sandbox metoprolol

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Sandbox metoprolol®
Black Box Warning
Adult Indications and Dosage
Pediatric Indications and Dosage
Adverse Reactions
Drug Interactions
Use in Specific Populations
Routes and Preparations
IV Compatibility
Clinical Studies
How Supplied
Patient Information
Combined Alcohol Use
Look-Alike Drug Names
Drug Shortage Status

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

For patient information about metoprolol, click here.

Synonyms / Brand Names: Lopressor®, Toprol XL®


Metoprolol is a selective β1 receptor blocker used in treatment of several diseases of the cardiovascular system, especially hypertension. The active substance metoprolol is employed either as metoprolol succinate or as metoprolol tartrate (where 100 mg metoprolol tartrate corresponds to 95 mg metoprolol succinate). The tartrate is an immediate-release and the succinate is an extended-release formulation.[1]


Antianginals, antiarrhythmic agents, antihypertensive agents, antimigraine drugs, beta blockers, cardiovascular drugs

FDA Package Insert

Lopressor (metoprolol tartrate) tablet

Toprol XL (metoprolol succinate) tablet, extended release

Taking Alcohol with Metoprolol

Alcohol-Metoprolol interaction has not been established. Talk to your doctor about the effects of taking alcohol with this medication.


  1. Cupp M (2009). "Alternatives for Metoprolol Succinate" (pdf). Pharmacist's Letter / Prescriber's Letter. 25 (250302).