Indicated for acute and chronic respiratory tract infections, as well as genitourinary infections, enteric infections, skin infections such as pyoderma, abscesses, wounds, cellulitis, otitis media, and soft tissue infections caused by Gram-positive and Gram-negative bacteria; aerobic and anaerobic bacteria, as well as beta-lactamase-producing bacteria and some bacteria resistant to penicillin, ampicillin, and amoxicillin alone that affect dogs and cats.