Pet Doxy Forte is an Treatment of infections caused by, or associated with, doxycycline susceptible organisms in dogs and cats, including skin infections such as pyoderma, folliculitis; respiratory infections such as tracheobronchitis, bronchitis and pneumonia; genitourinary infections such as cystitis and pyelonephritis; otitis externa and otitis media; gastrointestinal tract infections; osteomyelitis; puerperal infections.