Atenolol vs Polymyxin B

## Atenolol vs Polymyxin B: Overview

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

## Mechanism of Action

**Atenolol**: Cardioselective beta-1 adrenergic receptor blocker without intrinsic sympathomimetic activity.

## Pharmacokinetics

**Half-life**: Atenolol — 6-7 hours; Polymyxin B — N/A.

## Chemical Properties

**Molecular Formula**: Atenolol — C14H22N2O3; Polymyxin B — N/A.

**Molecular Weight**: Atenolol — 266.3360 g/mol; Polymyxin B — N/A.

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