Allopurinol vs Aripiprazole

## Allopurinol vs Aripiprazole: Overview

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

## Mechanism of Action

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

**Aripiprazole**: Partial agonist at D2 and 5-HT1A receptors.

## Pharmacokinetics

**Half-life**: Allopurinol — 1-2 hours; Aripiprazole — 75 hours.

## Chemical Properties

**Molecular Formula**: Allopurinol — C5H4N4O; Aripiprazole — C23H27Cl2N3O2.

**Molecular Weight**: Allopurinol — 136.1120 g/mol; Aripiprazole — 448.3850 g/mol.

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