Captopril vs Cetirizine

Captopril vs Cetirizine: Overview

This comparison examines the pharmacological differences between Captopril and Cetirizine.

Mechanism of Action

Captopril: First orally active ACE inhibitor; contains thiol group that binds zinc at ACE active site.

Cetirizine: Second-generation H1 antihistamine.

Pharmacokinetics

Half-life: Captopril — 1.9 hours; Cetirizine — 6.5-10 hours.

Chemical Properties

Molecular Formula: Captopril — C9H15NO3S; Cetirizine — C21H25ClN2O3.

Molecular Weight: Captopril — 217.2850 g/mol; Cetirizine — 388.8900 g/mol.

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