Methotrexate vs Naproxen
## Methotrexate vs Naproxen: Overview
This comparison examines the pharmacological differences between **Methotrexate** and **Naproxen**.
## Mechanism of Action
**Methotrexate**: Dihydrofolate reductase inhibitor.
**Naproxen**: Non-selective COX inhibitor.
## Pharmacokinetics
**Half-life**: Methotrexate — 3-10 hours; Naproxen — 12-17 hours.
## Chemical Properties
**Molecular Formula**: Methotrexate — C20H22N8O5; Naproxen — C14H14O3.
**Molecular Weight**: Methotrexate — 454.4400 g/mol; Naproxen — 230.2590 g/mol.
**Type**: Methotrexate — Small molecule; Naproxen — Small molecule.