Diazepam vs Fentanyl

## Diazepam vs Fentanyl: Overview

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

## Mechanism of Action

**Diazepam**: Positive allosteric modulator of GABA-A receptors.

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

## Pharmacokinetics

**Half-life**: Diazepam — 20-100 hours; Fentanyl — 2-4 hours.

## Chemical Properties

**Molecular Formula**: Diazepam — C16H13ClN2O; Fentanyl — C22H28N2O.

**Molecular Weight**: Diazepam — 284.7400 g/mol; Fentanyl — 336.4700 g/mol.

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