Allopurinol vs Finasteride

## Allopurinol vs Finasteride: Overview

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

## Mechanism of Action

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

**Finasteride**: Competitive inhibitor of 5-alpha-reductase type II.

## Pharmacokinetics

**Half-life**: Allopurinol — 1-2 hours; Finasteride — 5-6 hours.

## Chemical Properties

**Molecular Formula**: Allopurinol — C5H4N4O; Finasteride — C23H36N2O2.

**Molecular Weight**: Allopurinol — 136.1120 g/mol; Finasteride — 372.5490 g/mol.

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