Fentanyl vs Oxycodone

## Fentanyl vs Oxycodone: Overview

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

## Mechanism of Action

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

**Oxycodone**: Semisynthetic mu-opioid receptor agonist.

## Pharmacokinetics

**Half-life**: Fentanyl — 2-4 hours; Oxycodone — 3-5 hours.

## Chemical Properties

**Molecular Formula**: Fentanyl — C22H28N2O; Oxycodone — C18H21NO4.

**Molecular Weight**: Fentanyl — 336.4700 g/mol; Oxycodone — 315.3640 g/mol.

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