Cephalexin vs Sildenafil

Cephalexin vs Sildenafil: Overview

This comparison examines the pharmacological differences between Cephalexin and Sildenafil.

Mechanism of Action

Cephalexin: First-generation cephalosporin inhibiting cell wall synthesis.

Sildenafil: Selective PDE5 inhibitor increasing cGMP.

Pharmacokinetics

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

Chemical Properties

Molecular Formula: Cephalexin — C16H17N3O4S; Sildenafil — C22H30N6O4S.

Molecular Weight: Cephalexin — 347.3890 g/mol; Sildenafil — 474.5800 g/mol.

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