Ramipril vs Sildenafil

## Ramipril vs Sildenafil: Overview

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

## Mechanism of Action

**Ramipril**: Prodrug converted to ramiprilat; ACE inhibitor.

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

## Pharmacokinetics

**Half-life**: Ramipril — 13-17 hours; Sildenafil — 4 hours.

## Chemical Properties

**Molecular Formula**: Ramipril — C23H32N2O5; Sildenafil — C22H30N6O4S.

**Molecular Weight**: Ramipril — 416.5120 g/mol; Sildenafil — 474.5800 g/mol.

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