Allopurinol vs Sitagliptin

## Allopurinol vs Sitagliptin: Overview

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

## Mechanism of Action

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

**Sitagliptin**: DPP-4 inhibitor increasing incretin levels.

## Pharmacokinetics

**Half-life**: Allopurinol — 1-2 hours; Sitagliptin — 12.4 hours.

## Chemical Properties

**Molecular Formula**: Allopurinol — C5H4N4O; Sitagliptin — C16H15F6N5O.

**Molecular Weight**: Allopurinol — 136.1120 g/mol; Sitagliptin — 407.3140 g/mol.

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