Allopurinol vs Losartan

## Allopurinol vs Losartan: Overview

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

## Mechanism of Action

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

**Losartan**: Angiotensin II receptor type 1 antagonist.

## Pharmacokinetics

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

## Chemical Properties

**Molecular Formula**: Allopurinol — C5H4N4O; Losartan — C22H23ClN6O.

**Molecular Weight**: Allopurinol — 136.1120 g/mol; Losartan — 422.9200 g/mol.

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