Overview:

Otitis externa is an inflammation of the outer ear canal. There are many possible causes, but the most common is an ear infection caused primarily by bacteria or yeast. Other causes include;

• Tumour
• Traum
• Foreign body
• Ear mites
• Allergies
• Nasopharyngeal Polyps

Otitis externa causes considerable pain to your cat & veterinary attention should be sought immediately if you notice any symptoms listed below.

What are the symptoms of otitis externa in cats?

Symptoms include;

• Head shaking
• Scratching at the ears
• Unpleasant odour from the ears
• Discharge from the ear
• Inflammation (redness, swelling)
• Behavioural changes (irritability, depression)
• Pain

How is it diagnosed?

Your veterinarian will perform a complete physical examination & obtain a medical history from you,

He will examine the ear with an otoscope to check for signs of infection, tumours, foreign objects etc., and take a sample of the discharge. This will be examined under a microscope to look for mites, yeast, bacteria etc.

How is it treated?

Treatment depends on the cause.

Your cat’s ears will need to be cleaned, depending on the severity this may be done at home or by your veterinarian. Other treatments may include;

• Antibiotic drops for bacterial infection
• Antifungal medication for yeast infections
• Anti allergy therapy in the case of allergies
• Glucocorticoids to reduce inflammation