Cimetidine Injection

Generic name: cimetidine hydrochloride
Dosage form: injection, solution
Drug class:H2 antagonists

Medically reviewed by Drugs.com. Last updated on Jun 21, 2021.

Single-dose Fliptop Vial

Multiple-dose Fliptop Vial

Single-dose LifeShield® Fliptop Vial

Rx only

Cimetidine Injection Description

Cimetidine is a histamine H2-receptor antagonist. Chemically it is N˝-cyano-N-methyl-N′-[2-[[(5-methyl-1H-imidazol-4-yl)methyl]thio]-ethyl]-guanidine.

The molecular formula for cimetidine hydrochloride is C10H16N6S • HCl and the molecular weight is 288.80. The structural formula of cimetidine hydrochloride is:

Cimetidine Hydrochloride

Cimetidine contains an imidazole ring, and is chemically related to histamine.

Cimetidine hydrochloride has a bitter taste and characteristi...