Allopurinol vs Gabapentin

## Allopurinol vs Gabapentin: Overview

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

## Mechanism of Action

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

**Gabapentin**: Binds alpha-2-delta subunit of voltage-gated calcium channels.

## Pharmacokinetics

**Half-life**: Allopurinol — 1-2 hours; Gabapentin — 5-7 hours.

## Chemical Properties

**Molecular Formula**: Allopurinol — C5H4N4O; Gabapentin — C9H17NO2.

**Molecular Weight**: Allopurinol — 136.1120 g/mol; Gabapentin — 171.2370 g/mol.

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