Allopurinol vs Colchicine

## Allopurinol vs Colchicine: Overview

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

## Mechanism of Action

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

**Colchicine**: Binds tubulin disrupting microtubule polymerization; anti-inflammatory.

## Pharmacokinetics

**Half-life**: Allopurinol — 1-2 hours; Colchicine — 26-31 hours.

## Chemical Properties

**Molecular Formula**: Allopurinol — C5H4N4O; Colchicine — C22H25NO6.

**Molecular Weight**: Allopurinol — 136.1120 g/mol; Colchicine — 399.4370 g/mol.

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