A common problem in cats is ear mites, especially in young cats. These mites can cause significant discomfort, fortunately most cats rapidly respond to treatment. Those that do not should be investigated for underlying problems.
The primary symptoms of ear mites are scratching at the ears, shaking of the head, and a dark discharge. These symptoms mimic other ear diseases, so an accurate diagnosis is imperative.
This is typical of the discharge present in a cat with ear mites.
Ear mites are caused by a parasite. The most common one we encounter in cats is Otodectes. It is spread by contact, and is especially prevalent in outdoor cats and occasionally dogs. This is not contagious to humans.
This is a view of an Otodectes mite under the microscope
It is important to make a correct diagnosis early in the course of the disease because it can significantly affect the final outcome. The primary method of diagnosis for this disease is a microscopic check of the discharge for mites. We look for mites or mite eggs, either one gives us a positive diagnosis.
This discharge taken from the ear of an affected cat is classic for this disease. Sometimes there is so much discharge it literally flies out of the ear as a cat shakes its head.
Gentle ear cleaning goes a long way towards correcting this problem. These ears are very sensitive, and the ear drum (tympanic membrane) might even be damaged. Cleaning the ears of pets that might have this problem should not be attempted at home until after we have initiated therapy.
After the ears are gently cleaned by one of our nurses a topical medication is instilled. This medication contains anti-inflammatories to soothe inflamed ears, antibiotics to minimize secondary bacterial infection, and an anti-paracidicital to kill the mites. Daily cleaning of the ears and application of medication is continued until the problem is resolved, usually 7-10 days.
In most cats we use a topical medication
called Revolution. This treatment is especially useful in cats with ears
that are too sensitive to clean, or in cats that it is unlikely that
you will be able to clean the ears at home on a daily basis.
Revolution is very effective and is used commonly for not only ear mites but also flea control and heartworm prevention in dogs and cats.
A second monthly dose is often needed and monthly use of Revolution will control any subsequent ear mite infestations. Cleansing of the infested ears is recommended initially to remove the debris.
The best method of prevention is to eliminate exposure to affected cats and dogs. Check your cats ears several times weekly and clean them as often as needed.
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