Azithromycin vs Polymyxin B

## Azithromycin vs Polymyxin B: Overview

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

## Mechanism of Action

**Azithromycin**: Binds 50S ribosomal subunit, inhibiting bacterial protein synthesis.

## Pharmacokinetics

**Half-life**: Azithromycin — 68 hours; Polymyxin B — N/A.

## Chemical Properties

**Molecular Formula**: Azithromycin — C38H72N2O12; Polymyxin B — N/A.

**Molecular Weight**: Azithromycin — 748.9840 g/mol; Polymyxin B — N/A.

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