Allopurinol vs Metoprolol

## Allopurinol vs Metoprolol: Overview

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

## Mechanism of Action

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

**Metoprolol**: Selective beta-1 adrenergic receptor blocker.

## Pharmacokinetics

**Half-life**: Allopurinol — 1-2 hours; Metoprolol — 3-7 hours.

## Chemical Properties

**Molecular Formula**: Allopurinol — C5H4N4O; Metoprolol — C15H25NO3.

**Molecular Weight**: Allopurinol — 136.1120 g/mol; Metoprolol — 267.3640 g/mol.

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