Atenolol vs Sildenafil

## Atenolol vs Sildenafil: Overview

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

## Mechanism of Action

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

**Sildenafil**: Selective PDE5 inhibitor increasing cGMP.

## Pharmacokinetics

**Half-life**: Atenolol — 6-7 hours; Sildenafil — 4 hours.

## Chemical Properties

**Molecular Formula**: Atenolol — C14H22N2O3; Sildenafil — C22H30N6O4S.

**Molecular Weight**: Atenolol — 266.3360 g/mol; Sildenafil — 474.5800 g/mol.

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