Aspirin vs Naproxen
## Aspirin vs Naproxen: Overview
This comparison examines the pharmacological differences between **Aspirin** and **Naproxen**.
## Mechanism of Action
**Aspirin**: Irreversibly inhibits cyclooxygenase-1 and -2.
**Naproxen**: Non-selective COX inhibitor.
## Pharmacokinetics
**Half-life**: Aspirin — 2-3 hours; Naproxen — 12-17 hours.
## Chemical Properties
**Molecular Formula**: Aspirin — C9H8O4; Naproxen — C14H14O3.
**Molecular Weight**: Aspirin — 180.1580 g/mol; Naproxen — 230.2590 g/mol.
**Type**: Aspirin — Small molecule; Naproxen — Small molecule.