Page 51 - Complete Cat Care: How To Keep Your Cat Healthy and Happy
P. 51

Ear disorders



        A wide range of ear problems can affect cats, from external injuries
        to disorders of the inner ear that can cause problems with balance.
        Cats can also suffer from deafness due to genetic problems.





          Signs of a problem
          ■ Shaking head
          ■ Pawing or scratching at ear
          ■ Smelly ear or ears
          ■ Dirty ear or ears; dark wax or
          white discharge in ear
          ■ Pain when ear is touched
          or when eating
          ■ Deafness (congenital, selective)                                                             49
          ■ Swollen ear flap (hematoma)
          ■ Head tilt, loss of balance,
          nausea (middle/inner ear disease)




        Outer ear problems             Middle and inner                △  Giving ear drops                Ear disorders
        The ear flap is often injured in    ear problems               Hold the head so the ear to be treated faces
                                                                       upward. Squeeze in the drops, then massage
        cat fights or by scratching. Bites    Inflammation of the middle ear   the base of the ear.
        or scratches may cause an abscess    (otitis media) may result from an
        (an infected, pus-filled swelling)    infection spreading down the ear   The vet may prescribe drugs to
        or a hematoma (a blood-filled   canal or a foreign object piercing   relieve inflammation in the ear
        swelling). Less commonly, skin   the eardrum. Signs include pain—  and facial nerves, antibiotics to
        cancer may develop, especially    causing the cat to shake its head   clear up infections, or antinausea
        in cats with pale-colored ears.   and scratch or paw at the ear—   drugs for vestibular syndrome.
         Inflammation of the ear canal   a discharge, and lethargy. Ear   A ruptured eardrum may heal
        (otitis externa) is commonly due    infections can spread to affect   by itself, but for persistent otitis
        to ear mites—white, dot-sized   nerves in the face, causing Horner’s   media, surgery may be needed
        parasites (see p.52) that cause   syndrome (see box, right) and pain   to drain pus.
        intense itching and buildup of    when the cat opens its mouth.
        a dark, waxy, smelly discharge.   Otitis media needs prompt
        Other causes may include bacterial   attention because the infection
        infections, allergies, or a tumor    could spread to the inner ear. This    Horner’s syndrome
        or a polyp (fleshy growth) in the   can cause hearing loss, or lead    Ear infection may spread to the
        ear canal.                     to vestibular syndrome, which     facial nerves, leading to Horner’s
         Your vet may clean excess debris   interferes with balance.     syndrome in the eye on that side.
        or discharge from the ear canal.   Your vet may sedate or        Symptoms include:
        Possible treatments include a   anesthetize the cat and examine   ■ Sunken eyeball
        “spot-on” treatment to eliminate   the eardrum for damage or     ■ Constricted pupil
        ear mites, ear drops for an    inflammation. The vet may also    ■ Drooping lower eyelid
        infection, and drainage of an   arrange radiographs or an MRI    ■ Visible third eyelid
        abscess or a hematoma.         scan of the inner ear.





   US_048-049_Eye_and_ear_disorders.indd   49                                                        24/10/2013   14:56
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