Allopurinol vs Valsartan
## Allopurinol vs Valsartan: Overview
This comparison examines the pharmacological differences between **Allopurinol** and **Valsartan**.
## Mechanism of Action
**Allopurinol**: Xanthine oxidase inhibitor reducing uric acid production.
**Valsartan**: Angiotensin II type 1 receptor blocker.
## Pharmacokinetics
**Half-life**: Allopurinol — 1-2 hours; Valsartan — 6 hours.
## Chemical Properties
**Molecular Formula**: Allopurinol — C5H4N4O; Valsartan — C24H29N5O3.
**Molecular Weight**: Allopurinol — 136.1120 g/mol; Valsartan — 435.5190 g/mol.
**Type**: Allopurinol — Small molecule; Valsartan — Small molecule.