Diphenhydramine vs Enalapril

Diphenhydramine vs Enalapril: Overview

This comparison examines the pharmacological differences between Diphenhydramine and Enalapril.

Mechanism of Action

Diphenhydramine: First-generation H1 antihistamine with anticholinergic properties.

Enalapril: Prodrug converted to enalaprilat; inhibits ACE preventing angiotensin I to II conversion.

Pharmacokinetics

Half-life: Diphenhydramine — 2-8 hours; Enalapril — 11 hours.

Chemical Properties

Molecular Formula: Diphenhydramine — C17H21NO; Enalapril — C20H28N2O5.

Molecular Weight: Diphenhydramine — 255.3550 g/mol; Enalapril — 376.4470 g/mol.

Type: Diphenhydramine — Small molecule; Enalapril — Small molecule.