Allopurinol vs Donepezil

## Allopurinol vs Donepezil: Overview

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

## Mechanism of Action

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

**Donepezil**: Reversible acetylcholinesterase inhibitor.

## Pharmacokinetics

**Half-life**: Allopurinol — 1-2 hours; Donepezil — 70 hours.

## Chemical Properties

**Molecular Formula**: Allopurinol — C5H4N4O; Donepezil — C24H29NO3.

**Molecular Weight**: Allopurinol — 136.1120 g/mol; Donepezil — 379.4920 g/mol.

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