Same Drug Class

Fentanyl vs Fluoxetine

## Fentanyl vs Fluoxetine: Overview

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

## Mechanism of Action

**Fentanyl**: Highly potent synthetic mu-opioid receptor agonist approximately 100 times more potent than morphine.

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

## Pharmacokinetics

**Half-life**: Fentanyl — 2-4 hours; Fluoxetine — 1-3 days.

## Chemical Properties

**Molecular Formula**: Fentanyl — C22H28N2O; Fluoxetine — C17H18F3NO.

**Molecular Weight**: Fentanyl — 336.4700 g/mol; Fluoxetine — 309.3260 g/mol.

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