Section 520.376 - Cephalexin(a)Specifications. Each chewable tablet contains 75, 150, 300, or 600 milligrams (mg) cephalexin.(b)Sponsor. See No. 051311 in § 510.600(c) of this chapter.(c)Conditions of use -(1)Dogs - (i)Amount. Administer 22 mg per kilogram of body weight twice daily for 28 days.(ii)Indications for use. For the treatment of secondary superficial bacterial pyoderma in dogs caused by susceptible strains of Staphylococcus pseudintermedius.(iii)Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.77 FR 47512, Aug. 9, 2012