Diphenhydramine vs Zolpidem

Diphenhydramine vs Zolpidem: Overview

This comparison examines the pharmacological differences between Diphenhydramine and Zolpidem.

Mechanism of Action

Diphenhydramine: First-generation H1 antihistamine with anticholinergic properties.

Zolpidem: Selective GABA-A receptor alpha-1 subunit agonist.

Pharmacokinetics

Half-life: Diphenhydramine — 2-8 hours; Zolpidem — 2.5 hours.

Chemical Properties

Molecular Formula: Diphenhydramine — C17H21NO; Zolpidem — C19H21N3O.

Molecular Weight: Diphenhydramine — 255.3550 g/mol; Zolpidem — 307.3950 g/mol.

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