Allopurinol vs Zolpidem
## Allopurinol vs Zolpidem: Overview
This comparison examines the pharmacological differences between **Allopurinol** and **Zolpidem**.
## Mechanism of Action
**Allopurinol**: Xanthine oxidase inhibitor reducing uric acid production.
**Zolpidem**: Selective GABA-A receptor alpha-1 subunit agonist.
## Pharmacokinetics
**Half-life**: Allopurinol — 1-2 hours; Zolpidem — 2.5 hours.
## Chemical Properties
**Molecular Formula**: Allopurinol — C5H4N4O; Zolpidem — C19H21N3O.
**Molecular Weight**: Allopurinol — 136.1120 g/mol; Zolpidem — 307.3950 g/mol.
**Type**: Allopurinol — Small molecule; Zolpidem — Small molecule.