The most common type of mite to infest the ears of cats and dogs
is Otodectes cynotis, an eight-legged parasite no larger than
the head of a pin. Ear mites feed on oil and wax inside the ears
and live for about three weeks. During their life cycle, the
mites can cause significant inflammation and irritation in the
ears and increase the risk of ear and skin infections. "Once an
ear mite infestation occurs, you must isolate your pet to
protect other animals in the household until the infection is
eliminated." Symptoms of ear mites in pets typically include a
dark, coffee ground-like discharge, scratching and rubbing of
the ears, a foul odor emanating from the ear canal, head
shaking, hair loss, and visible skin irritation in or near the
ear. In severe cases, the ear canal may become obstructed with
the dark, waxy discharge, or excessive scratching may cause
blood vessels located inside the ear to rupture (aural
hematomas), a condition that requires surgical repair. Treating
Ear Mites in Cats and Dogs Once your