Allopurinol vs Apixaban

## Allopurinol vs Apixaban: Overview

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

## Mechanism of Action

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

**Apixaban**: Direct Factor Xa inhibitor.

## Pharmacokinetics

**Half-life**: Allopurinol — 1-2 hours; Apixaban — 12 hours.

## Chemical Properties

**Molecular Formula**: Allopurinol — C5H4N4O; Apixaban — C25H25N5O4.

**Molecular Weight**: Allopurinol — 136.1120 g/mol; Apixaban — 459.4970 g/mol.

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