Fentanyl vs Pregabalin

## Fentanyl vs Pregabalin: Overview

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

## Mechanism of Action

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

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

## Pharmacokinetics

**Half-life**: Fentanyl — 2-4 hours; Pregabalin — 6.3 hours.

## Chemical Properties

**Molecular Formula**: Fentanyl — C22H28N2O; Pregabalin — C8H17NO2.

**Molecular Weight**: Fentanyl — 336.4700 g/mol; Pregabalin — 159.2260 g/mol.

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