Allopurinol vs Naproxen

## Allopurinol vs Naproxen: Overview

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

## Mechanism of Action

**Allopurinol**: Xanthine oxidase inhibitor reducing uric acid production.

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

## Pharmacokinetics

**Half-life**: Allopurinol — 1-2 hours; Naproxen — 12-17 hours.

## Chemical Properties

**Molecular Formula**: Allopurinol — C5H4N4O; Naproxen — C14H14O3.

**Molecular Weight**: Allopurinol — 136.1120 g/mol; Naproxen — 230.2590 g/mol.

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