Cetirizine vs Naproxen

## Cetirizine vs Naproxen: Overview

This comparison examines the pharmacological differences between **Cetirizine** and **Naproxen**.

## Mechanism of Action

**Cetirizine**: Second-generation H1 antihistamine.

**Naproxen**: Non-selective COX inhibitor.

## Pharmacokinetics

**Half-life**: Cetirizine — 6.5-10 hours; Naproxen — 12-17 hours.

## Chemical Properties

**Molecular Formula**: Cetirizine — C21H25ClN2O3; Naproxen — C14H14O3.

**Molecular Weight**: Cetirizine — 388.8900 g/mol; Naproxen — 230.2590 g/mol.

**Type**: Cetirizine — Small molecule; Naproxen — Small molecule.