Aspirin vs Warfarin

## Aspirin vs Warfarin: Overview

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

## Mechanism of Action

**Aspirin**: Irreversibly inhibits cyclooxygenase-1 and -2.

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

## Pharmacokinetics

**Half-life**: Aspirin — 2-3 hours; Warfarin — 20-60 hours.

## Chemical Properties

**Molecular Formula**: Aspirin — C9H8O4; Warfarin — C19H16O4.

**Molecular Weight**: Aspirin — 180.1580 g/mol; Warfarin — 308.3280 g/mol.

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