Norfloxacin vs Polymyxin B

## Norfloxacin vs Polymyxin B: Overview

This comparison examines the pharmacological differences between **Norfloxacin** and **Polymyxin B**.

## Mechanism of Action

**Norfloxacin**: Second-generation fluoroquinolone inhibiting bacterial DNA gyrase and topoisomerase IV.

## Pharmacokinetics

**Half-life**: Norfloxacin — 3-4 hours; Polymyxin B — N/A.

## Chemical Properties

**Molecular Formula**: Norfloxacin — C16H18FN3O3; Polymyxin B — N/A.

**Molecular Weight**: Norfloxacin — 319.3310 g/mol; Polymyxin B — N/A.

**Type**: Norfloxacin — Small molecule; Polymyxin B — Protein.