Allopurinol vs Atorvastatin
## Allopurinol vs Atorvastatin: Overview
This comparison examines the pharmacological differences between **Allopurinol** and **Atorvastatin**.
## Mechanism of Action
**Allopurinol**: Xanthine oxidase inhibitor reducing uric acid production.
**Atorvastatin**: Competitive inhibitor of HMG-CoA reductase.
## Pharmacokinetics
**Half-life**: Allopurinol — 1-2 hours; Atorvastatin — 14 hours.
## Chemical Properties
**Molecular Formula**: Allopurinol — C5H4N4O; Atorvastatin — C33H35FN2O5.
**Molecular Weight**: Allopurinol — 136.1120 g/mol; Atorvastatin — 558.6400 g/mol.
**Type**: Allopurinol — Small molecule; Atorvastatin — Small molecule.