Allopurinol vs Spironolactone

## Allopurinol vs Spironolactone: Overview

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

## Mechanism of Action

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

**Spironolactone**: Mineralocorticoid receptor antagonist.

## Pharmacokinetics

**Half-life**: Allopurinol — 1-2 hours; Spironolactone — 1.4 hours.

## Chemical Properties

**Molecular Formula**: Allopurinol — C5H4N4O; Spironolactone — C24H32O4S.

**Molecular Weight**: Allopurinol — 136.1120 g/mol; Spironolactone — 416.5740 g/mol.

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