Celecoxib vs Cetirizine

## Celecoxib vs Cetirizine: Overview

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

## Mechanism of Action

**Celecoxib**: Selective COX-2 inhibitor.

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

## Pharmacokinetics

**Half-life**: Celecoxib — 11 hours; Cetirizine — 6.5-10 hours.

## Chemical Properties

**Molecular Formula**: Celecoxib — C17H14F3N3O2S; Cetirizine — C21H25ClN2O3.

**Molecular Weight**: Celecoxib — 381.3730 g/mol; Cetirizine — 388.8900 g/mol.

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