Cetirizine vs Fentanyl

Cetirizine vs Fentanyl: Overview

This comparison examines the pharmacological differences between Cetirizine and Fentanyl.

Mechanism of Action

Cetirizine: Second-generation H1 antihistamine.

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

Pharmacokinetics

Half-life: Cetirizine — 6.5-10 hours; Fentanyl — 2-4 hours.

Chemical Properties

Molecular Formula: Cetirizine — C21H25ClN2O3; Fentanyl — C22H28N2O.

Molecular Weight: Cetirizine — 388.8900 g/mol; Fentanyl — 336.4700 g/mol.

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