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.