Doxycycline vs Methotrexate

Doxycycline vs Methotrexate: Overview

This comparison examines the pharmacological differences between Doxycycline and Methotrexate.

Mechanism of Action

Doxycycline: Inhibits bacterial protein synthesis by binding 30S ribosomal subunit.

Methotrexate: Dihydrofolate reductase inhibitor.

Pharmacokinetics

Half-life: Doxycycline — 18-22 hours; Methotrexate — 3-10 hours.

Chemical Properties

Molecular Formula: Doxycycline — C22H24N2O8; Methotrexate — C20H22N8O5.

Molecular Weight: Doxycycline — 444.4350 g/mol; Methotrexate — 454.4400 g/mol.

Type: Doxycycline — Small molecule; Methotrexate — Small molecule.