Cephalexin vs Levofloxacin

Cephalexin vs Levofloxacin: Overview

This comparison examines the pharmacological differences between Cephalexin and Levofloxacin.

Mechanism of Action

Cephalexin: First-generation cephalosporin inhibiting cell wall synthesis.

Levofloxacin: Fluoroquinolone antibiotic inhibiting bacterial DNA gyrase and topoisomerase IV.

Pharmacokinetics

Half-life: Cephalexin — 0.5-1.2 hours; Levofloxacin — 6-8 hours.

Chemical Properties

Molecular Formula: Cephalexin — C16H17N3O4S; Levofloxacin — C18H20FN3O4.

Molecular Weight: Cephalexin — 347.3890 g/mol; Levofloxacin — 361.3680 g/mol.

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