Bisoprolol vs Sildenafil

## Bisoprolol vs Sildenafil: Overview

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

## Mechanism of Action

**Bisoprolol**: Highly selective beta-1 adrenergic receptor blocker reducing heart rate and myocardial contractility.

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

## Pharmacokinetics

**Half-life**: Bisoprolol — 10-12 hours; Sildenafil — 4 hours.

## Chemical Properties

**Molecular Formula**: Bisoprolol — C18H31NO4; Sildenafil — C22H30N6O4S.

**Molecular Weight**: Bisoprolol — 325.4470 g/mol; Sildenafil — 474.5800 g/mol.

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