Doxycycline vs Levofloxacin

Doxycycline vs Levofloxacin: Overview

This comparison examines the pharmacological differences between Doxycycline and Levofloxacin.

Mechanism of Action

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

Levofloxacin: Fluoroquinolone antibiotic inhibiting bacterial DNA gyrase and topoisomerase IV.

Pharmacokinetics

Half-life: Doxycycline — 18-22 hours; Levofloxacin — 6-8 hours.

Chemical Properties

Molecular Formula: Doxycycline — C22H24N2O8; Levofloxacin — C18H20FN3O4.

Molecular Weight: Doxycycline — 444.4350 g/mol; Levofloxacin — 361.3680 g/mol.

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