Cetirizine vs Citalopram

Cetirizine vs Citalopram: Overview

This comparison examines the pharmacological differences between Cetirizine and Citalopram.

Mechanism of Action

Cetirizine: Second-generation H1 antihistamine.

Citalopram: Selective serotonin reuptake inhibitor (SSRI); racemic mixture with escitalopram as active S-enantiomer.

Pharmacokinetics

Half-life: Cetirizine — 6.5-10 hours; Citalopram — 35 hours.

Chemical Properties

Molecular Formula: Cetirizine — C21H25ClN2O3; Citalopram — C20H21FN2O.

Molecular Weight: Cetirizine — 388.8900 g/mol; Citalopram — 324.3920 g/mol.

Type: Cetirizine — Small molecule; Citalopram — Small molecule.