Allopurinol vs Trastuzumab

## Allopurinol vs Trastuzumab: Overview

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

## Mechanism of Action

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

**Trastuzumab**: Anti-HER2 monoclonal antibody inhibiting receptor signaling.

## Pharmacokinetics

**Half-life**: Allopurinol — 1-2 hours; Trastuzumab — 28 days.

## Chemical Properties

**Molecular Formula**: Allopurinol — C5H4N4O; Trastuzumab — N/A.

**Molecular Weight**: Allopurinol — 136.1120 g/mol; Trastuzumab — N/A.

**Type**: Allopurinol — Small molecule; Trastuzumab — Antibody.