Atenolol vs Spironolactone

## Atenolol vs Spironolactone: Overview

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

## Mechanism of Action

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

**Spironolactone**: Mineralocorticoid receptor antagonist.

## Pharmacokinetics

**Half-life**: Atenolol — 6-7 hours; Spironolactone — 1.4 hours.

## Chemical Properties

**Molecular Formula**: Atenolol — C14H22N2O3; Spironolactone — C24H32O4S.

**Molecular Weight**: Atenolol — 266.3360 g/mol; Spironolactone — 416.5740 g/mol.

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