Lopressor Injection

Generic name:metoprolol tartrate
Dosage form: injection, solution
Drug class:Cardioselective beta blockers

Medically reviewed by Drugs.com. Last updated on Nov 22, 2021.

Lopressor®

metoprolol tartrate injection, USP

Rx only

Prescribing Information

Lopressor Injection Description

Lopressor, metoprolol tartrate USP, is a selective beta1-adrenoreceptor blocking agent, available in 5-mL ampuls for intravenous administration. Each ampul contains a sterile solution of metoprolol tartrate USP, 5 mg, and sodium chloride USP, 45 mg, and water for injection USP. Metoprolol tartrate USP is (±)-1-(Isopropylamino)-3-[p-(2-methoxyethyl)phenoxy]-2-propanol L-(+)-tartrate (2:1) salt, and its structural formula is:

Metoprolol tartrate USP is a white, practically odorless, crystalline powder with a molecular weight of 684.82. I...