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.