Fentanyl vs Phenytoin

Fentanyl vs Phenytoin: Overview

This comparison examines the pharmacological differences between Fentanyl and Phenytoin.

Mechanism of Action

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

Phenytoin: Sodium channel blocker stabilizing inactive state.

Pharmacokinetics

Half-life: Fentanyl — 2-4 hours; Phenytoin — 22 hours.

Chemical Properties

Molecular Formula: Fentanyl — C22H28N2O; Phenytoin — C15H12N2O2.

Molecular Weight: Fentanyl — 336.4700 g/mol; Phenytoin — 252.2680 g/mol.

Type: Fentanyl — Small molecule; Phenytoin — Small molecule.