Cetirizine vs Ondansetron

Cetirizine vs Ondansetron: Overview

This comparison examines the pharmacological differences between Cetirizine and Ondansetron.

Mechanism of Action

Cetirizine: Second-generation H1 antihistamine.

Ondansetron: Selective 5-HT3 receptor antagonist.

Pharmacokinetics

Half-life: Cetirizine — 6.5-10 hours; Ondansetron — 3-5 hours.

Chemical Properties

Molecular Formula: Cetirizine — C21H25ClN2O3; Ondansetron — C18H19N3O.

Molecular Weight: Cetirizine — 388.8900 g/mol; Ondansetron — 293.3660 g/mol.

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