Cetirizine vs Paroxetine

Cetirizine vs Paroxetine: Overview

This comparison examines the pharmacological differences between Cetirizine and Paroxetine.

Mechanism of Action

Cetirizine: Second-generation H1 antihistamine.

Paroxetine: Potent selective serotonin reuptake inhibitor with additional muscarinic and NE reuptake inhibition.

Pharmacokinetics

Half-life: Cetirizine — 6.5-10 hours; Paroxetine — 21 hours.

Chemical Properties

Molecular Formula: Cetirizine — C21H25ClN2O3; Paroxetine — C19H20FNO3.

Molecular Weight: Cetirizine — 388.8900 g/mol; Paroxetine — 329.3730 g/mol.

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