Sildenafil vs Trazodone

## Sildenafil vs Trazodone: Overview

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

## Mechanism of Action

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

**Trazodone**: Serotonin antagonist and reuptake inhibitor (SARI).

## Pharmacokinetics

**Half-life**: Sildenafil — 4 hours; Trazodone — 5-9 hours.

## Chemical Properties

**Molecular Formula**: Sildenafil — C22H30N6O4S; Trazodone — C19H22ClN5O.

**Molecular Weight**: Sildenafil — 474.5800 g/mol; Trazodone — 371.8640 g/mol.

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