Allopurinol vs Simvastatin

## Allopurinol vs Simvastatin: Overview

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

## Mechanism of Action

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

**Simvastatin**: Prodrug converted to active form that inhibits HMG-CoA reductase.

## Pharmacokinetics

**Half-life**: Allopurinol — 1-2 hours; Simvastatin — 2 hours.

## Chemical Properties

**Molecular Formula**: Allopurinol — C5H4N4O; Simvastatin — C25H38O5.

**Molecular Weight**: Allopurinol — 136.1120 g/mol; Simvastatin — 418.5700 g/mol.

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