Cetirizine vs Gefitinib

Cetirizine vs Gefitinib: Overview

This comparison examines the pharmacological differences between Cetirizine and Gefitinib.

Mechanism of Action

Cetirizine: Second-generation H1 antihistamine.

Gefitinib: Selective reversible inhibitor of EGFR tyrosine kinase.

Pharmacokinetics

Half-life: Cetirizine — 6.5-10 hours; Gefitinib — 48 hours.

Chemical Properties

Molecular Formula: Cetirizine — C21H25ClN2O3; Gefitinib — C22H24ClFN4O3.

Molecular Weight: Cetirizine — 388.8900 g/mol; Gefitinib — 446.9000 g/mol.

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