Atenolol vs Ranitidine

## Atenolol vs Ranitidine: Overview

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

## Mechanism of Action

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

**Ranitidine**: Competitive H2 receptor antagonist.

## Pharmacokinetics

**Half-life**: Atenolol — 6-7 hours; Ranitidine — 2-3 hours.

## Chemical Properties

**Molecular Formula**: Atenolol — C14H22N2O3; Ranitidine — C13H22N4O3S.

**Molecular Weight**: Atenolol — 266.3360 g/mol; Ranitidine — 314.4050 g/mol.

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