Atenolol vs Doxycycline

## Atenolol vs Doxycycline: Overview

This comparison examines the pharmacological differences between **Atenolol** and **Doxycycline**.

## Mechanism of Action

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

**Doxycycline**: Inhibits bacterial protein synthesis by binding 30S ribosomal subunit.

## Pharmacokinetics

**Half-life**: Atenolol — 6-7 hours; Doxycycline — 18-22 hours.

## Chemical Properties

**Molecular Formula**: Atenolol — C14H22N2O3; Doxycycline — C22H24N2O8.

**Molecular Weight**: Atenolol — 266.3360 g/mol; Doxycycline — 444.4350 g/mol.

**Type**: Atenolol — Small molecule; Doxycycline — Small molecule.