Cetirizine vs Tofacitinib

Cetirizine vs Tofacitinib: Overview

This comparison examines the pharmacological differences between Cetirizine and Tofacitinib.

Mechanism of Action

Cetirizine: Second-generation H1 antihistamine.

Tofacitinib: Pan-JAK inhibitor with preference for JAK1 and JAK3 blocking pro-inflammatory cytokine signaling.

Pharmacokinetics

Half-life: Cetirizine — 6.5-10 hours; Tofacitinib — 3.2 hours.

Chemical Properties

Molecular Formula: Cetirizine — C21H25ClN2O3; Tofacitinib — C16H20N6O.

Molecular Weight: Cetirizine — 388.8900 g/mol; Tofacitinib — 312.3700 g/mol.

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