Same Drug Class

Fentanyl vs Gabapentin

## Fentanyl vs Gabapentin: Overview

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

## Mechanism of Action

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

**Gabapentin**: Binds alpha-2-delta subunit of voltage-gated calcium channels.

## Pharmacokinetics

**Half-life**: Fentanyl — 2-4 hours; Gabapentin — 5-7 hours.

## Chemical Properties

**Molecular Formula**: Fentanyl — C22H28N2O; Gabapentin — C9H17NO2.

**Molecular Weight**: Fentanyl — 336.4700 g/mol; Gabapentin — 171.2370 g/mol.

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