Fentanyl vs Memantine

Fentanyl vs Memantine: Overview

This comparison examines the pharmacological differences between Fentanyl and Memantine.

Mechanism of Action

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

Memantine: Non-competitive NMDA receptor antagonist.

Pharmacokinetics

Half-life: Fentanyl — 2-4 hours; Memantine — 60-80 hours.

Chemical Properties

Molecular Formula: Fentanyl — C22H28N2O; Memantine — C12H21N.

Molecular Weight: Fentanyl — 336.4700 g/mol; Memantine — 179.3080 g/mol.

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