Atorvastatin vs Sildenafil

## Atorvastatin vs Sildenafil: Overview

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

## Mechanism of Action

**Atorvastatin**: Competitive inhibitor of HMG-CoA reductase.

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

## Pharmacokinetics

**Half-life**: Atorvastatin — 14 hours; Sildenafil — 4 hours.

## Chemical Properties

**Molecular Formula**: Atorvastatin — C33H35FN2O5; Sildenafil — C22H30N6O4S.

**Molecular Weight**: Atorvastatin — 558.6400 g/mol; Sildenafil — 474.5800 g/mol.

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