Allopurinol vs Baricitinib
## Allopurinol vs Baricitinib: Overview
This comparison examines the pharmacological differences between **Allopurinol** and **Baricitinib**.
## Mechanism of Action
**Allopurinol**: Xanthine oxidase inhibitor reducing uric acid production.
**Baricitinib**: Selective JAK1 and JAK2 inhibitor blocking cytokine signaling involved in inflammation.
## Pharmacokinetics
**Half-life**: Allopurinol — 1-2 hours; Baricitinib — 12 hours.
## Chemical Properties
**Molecular Formula**: Allopurinol — C5H4N4O; Baricitinib — C16H17N7O2S.
**Molecular Weight**: Allopurinol — 136.1120 g/mol; Baricitinib — 371.4170 g/mol.
**Type**: Allopurinol — Small molecule; Baricitinib — Small molecule.