Fentanyl vs Ondansetron

Fentanyl vs Ondansetron: Overview

This comparison examines the pharmacological differences between Fentanyl and Ondansetron.

Mechanism of Action

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

Ondansetron: Selective 5-HT3 receptor antagonist.

Pharmacokinetics

Half-life: Fentanyl — 2-4 hours; Ondansetron — 3-5 hours.

Chemical Properties

Molecular Formula: Fentanyl — C22H28N2O; Ondansetron — C18H19N3O.

Molecular Weight: Fentanyl — 336.4700 g/mol; Ondansetron — 293.3660 g/mol.

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