Cetirizine vs Warfarin

## Cetirizine vs Warfarin: Overview

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

## Mechanism of Action

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

**Warfarin**: Inhibits vitamin K epoxide reductase complex.

## Pharmacokinetics

**Half-life**: Cetirizine — 6.5-10 hours; Warfarin — 20-60 hours.

## Chemical Properties

**Molecular Formula**: Cetirizine — C21H25ClN2O3; Warfarin — C19H16O4.

**Molecular Weight**: Cetirizine — 388.8900 g/mol; Warfarin — 308.3280 g/mol.

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