Fluoxetine vs Sildenafil

## Fluoxetine vs Sildenafil: Overview

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

## Mechanism of Action

**Fluoxetine**: Selective serotonin reuptake inhibitor (SSRI).

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

## Pharmacokinetics

**Half-life**: Fluoxetine — 1-3 days; Sildenafil — 4 hours.

## Chemical Properties

**Molecular Formula**: Fluoxetine — C17H18F3NO; Sildenafil — C22H30N6O4S.

**Molecular Weight**: Fluoxetine — 309.3260 g/mol; Sildenafil — 474.5800 g/mol.

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