Fentanyl vs Valproic Acid

## Fentanyl vs Valproic Acid: Overview

This comparison examines the pharmacological differences between **Fentanyl** and **Valproic Acid**.

## Mechanism of Action

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

**Valproic Acid**: Enhances GABA transmission and blocks sodium/calcium channels.

## Pharmacokinetics

**Half-life**: Fentanyl — 2-4 hours; Valproic Acid — 9-16 hours.

## Chemical Properties

**Molecular Formula**: Fentanyl — C22H28N2O; Valproic Acid — C8H16O2.

**Molecular Weight**: Fentanyl — 336.4700 g/mol; Valproic Acid — 144.2110 g/mol.

**Type**: Fentanyl — Small molecule; Valproic Acid — Small molecule.