Cephalexin vs Cetirizine

Cephalexin vs Cetirizine: Overview

This comparison examines the pharmacological differences between Cephalexin and Cetirizine.

Mechanism of Action

Cephalexin: First-generation cephalosporin inhibiting cell wall synthesis.

Cetirizine: Second-generation H1 antihistamine.

Pharmacokinetics

Half-life: Cephalexin — 0.5-1.2 hours; Cetirizine — 6.5-10 hours.

Chemical Properties

Molecular Formula: Cephalexin — C16H17N3O4S; Cetirizine — C21H25ClN2O3.

Molecular Weight: Cephalexin — 347.3890 g/mol; Cetirizine — 388.8900 g/mol.

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