Allopurinol vs Paroxetine

## Allopurinol vs Paroxetine: Overview

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

## Mechanism of Action

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

**Paroxetine**: Potent selective serotonin reuptake inhibitor with additional muscarinic and NE reuptake inhibition.

## Pharmacokinetics

**Half-life**: Allopurinol — 1-2 hours; Paroxetine — 21 hours.

## Chemical Properties

**Molecular Formula**: Allopurinol — C5H4N4O; Paroxetine — C19H20FNO3.

**Molecular Weight**: Allopurinol — 136.1120 g/mol; Paroxetine — 329.3730 g/mol.

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