Allopurinol vs Buprenorphine
## Allopurinol vs Buprenorphine: Overview
This comparison examines the pharmacological differences between **Allopurinol** and **Buprenorphine**.
## Mechanism of Action
**Allopurinol**: Xanthine oxidase inhibitor reducing uric acid production.
**Buprenorphine**: Partial mu-opioid receptor agonist and kappa antagonist with high receptor affinity.
## Pharmacokinetics
**Half-life**: Allopurinol — 1-2 hours; Buprenorphine — 24-42 hours.
## Chemical Properties
**Molecular Formula**: Allopurinol — C5H4N4O; Buprenorphine — C29H41NO4.
**Molecular Weight**: Allopurinol — 136.1120 g/mol; Buprenorphine — 467.6430 g/mol.
**Type**: Allopurinol — Small molecule; Buprenorphine — Small molecule.