Cephalexin vs Fentanyl

Cephalexin vs Fentanyl: Overview

This comparison examines the pharmacological differences between Cephalexin and Fentanyl.

Mechanism of Action

Cephalexin: First-generation cephalosporin inhibiting cell wall synthesis.

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

Pharmacokinetics

Half-life: Cephalexin — 0.5-1.2 hours; Fentanyl — 2-4 hours.

Chemical Properties

Molecular Formula: Cephalexin — C16H17N3O4S; Fentanyl — C22H28N2O.

Molecular Weight: Cephalexin — 347.3890 g/mol; Fentanyl — 336.4700 g/mol.

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