Allopurinol vs Rivaroxaban

## Allopurinol vs Rivaroxaban: Overview

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

## Mechanism of Action

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

**Rivaroxaban**: Direct Factor Xa inhibitor.

## Pharmacokinetics

**Half-life**: Allopurinol — 1-2 hours; Rivaroxaban — 5-9 hours.

## Chemical Properties

**Molecular Formula**: Allopurinol — C5H4N4O; Rivaroxaban — C19H18ClN3O5S.

**Molecular Weight**: Allopurinol — 136.1120 g/mol; Rivaroxaban — 435.8820 g/mol.

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