Allopurinol vs Irbesartan

## Allopurinol vs Irbesartan: Overview

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

## Mechanism of Action

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

**Irbesartan**: Selective non-competitive angiotensin II type 1 receptor antagonist.

## Pharmacokinetics

**Half-life**: Allopurinol — 1-2 hours; Irbesartan — 11-15 hours.

## Chemical Properties

**Molecular Formula**: Allopurinol — C5H4N4O; Irbesartan — C25H28N6O.

**Molecular Weight**: Allopurinol — 136.1120 g/mol; Irbesartan — 428.5320 g/mol.

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