Same Drug Class

Bupropion vs Fentanyl

## Bupropion vs Fentanyl: Overview

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

## Mechanism of Action

**Bupropion**: Norepinephrine-dopamine reuptake inhibitor (NDRI).

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

## Pharmacokinetics

**Half-life**: Bupropion — 21 hours; Fentanyl — 2-4 hours.

## Chemical Properties

**Molecular Formula**: Bupropion — C13H18ClNO; Fentanyl — C22H28N2O.

**Molecular Weight**: Bupropion — 239.7420 g/mol; Fentanyl — 336.4700 g/mol.

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