Levofloxacin vs Metronidazole

## Levofloxacin vs Metronidazole: Overview

This comparison examines the pharmacological differences between **Levofloxacin** and **Metronidazole**.

## Mechanism of Action

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

**Metronidazole**: Forms cytotoxic free radicals that damage bacterial DNA.

## Pharmacokinetics

**Half-life**: Levofloxacin — 6-8 hours; Metronidazole — 8 hours.

## Chemical Properties

**Molecular Formula**: Levofloxacin — C18H20FN3O4; Metronidazole — C6H9N3O3.

**Molecular Weight**: Levofloxacin — 361.3680 g/mol; Metronidazole — 171.1540 g/mol.

**Type**: Levofloxacin — Small molecule; Metronidazole — Small molecule.