Metronidazole vs Polymyxin B

## Metronidazole vs Polymyxin B: Overview

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

## Mechanism of Action

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

## Pharmacokinetics

**Half-life**: Metronidazole — 8 hours; Polymyxin B — N/A.

## Chemical Properties

**Molecular Formula**: Metronidazole — C6H9N3O3; Polymyxin B — N/A.

**Molecular Weight**: Metronidazole — 171.1540 g/mol; Polymyxin B — N/A.

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