Diphenhydramine vs Escitalopram

Diphenhydramine vs Escitalopram: Overview

This comparison examines the pharmacological differences between Diphenhydramine and Escitalopram.

Mechanism of Action

Diphenhydramine: First-generation H1 antihistamine with anticholinergic properties.

Escitalopram: S-enantiomer of citalopram; selective serotonin reuptake inhibitor.

Pharmacokinetics

Half-life: Diphenhydramine — 2-8 hours; Escitalopram — 27-32 hours.

Chemical Properties

Molecular Formula: Diphenhydramine — C17H21NO; Escitalopram — C20H21FN2O.

Molecular Weight: Diphenhydramine — 255.3550 g/mol; Escitalopram — 324.3920 g/mol.

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