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Ear Mites in Cats

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Ear mites in cats are a common occurrence in the United States. An ear mite infestation can be unpleasant for your cat, and, at the very least, inconvenient for you. It can also be a little scary, being that the ear is first, a way into the body, and second, so close to the brain and the eyes.

So, What The Heck Are Ear Mites?

Ear mites are tiny crab like parasites that usually live in and around a cat’s ears. They often live on the cat’s head, however, and can live on other parts of the body or in the environment.

If left untreated, they can cause bacterial and yeast infections in your cat. In extreme cases, they can cause a rupture of the ear drum, which may lead to seizures and deafness.

Feline ear mites (Otodectes cynotis) are the most common cause of outer-ear inflammation in cats. Kittens and young cats are especially susceptible. Frequent ear scratching and head shaking are the most often seen symptoms.

The entire life cycle of the parasite occurs in the cat, and takes about three weeks to complete. As such, to fully eradicate them, the treatment for ear mites should be continued for a full month.

Signs and Symptoms Of Ear Mites In Cats

Ear mites in cats cause severe irritation of the ear canal. This then leads to the classic sign of ear mites in cats: the production of dry, black, waxy exudates. This basically is an oozing build up of wax that dries out and can look something like coffee grounds. As can happen with parasites, secondary bacterial infection is not uncommon.

Symptoms, in addition to the black crusty exudates in the ear canal, consist of constant scratching at the ears, head shaking, and loss of hair around the ears. In addition, the wax build up itself can cause your cat even more irritation and discomfort.

In severe cases there can be ulceration at the back of the ear as a result of excessive scratching. When a mite infested cat constantly scratches its ear, it can tear open tiny blood vessels in the ear flap, which can lead to permanent disfigurement.

Some cats don’t seem to be at all bothered by a severe mite infestation, while others can be very agitated by the presence of only a few mites. Younger cats are typically more bothered than older cats. In addition, an initial infestation of ear mites in cats is typically more bothersome than subsequent occurrences. This may be explained by a seeming build up of immunity over time.

Transmission Of Ear Mites In Cats

Ear mites in cats and dogs are very contagious. They can be passed easily from cat to cat, as well as from cat to dog and back. Some mites are species specific, but ear mites can even be passed to humans as transient carriers to other animals, including other cats.

Diagnosis Of Ear Mites In Cats

There are other causes of ear diseases in cats, and since treatment follows diagnosis, a professional diagnosis should be made. If you suspect that your cat has ear mites, then your vet should do a proper diagnosis before any treatment is administered.

Your vet may use the warmth of a light to draw the mites out of the wax in order to see the white mites crawling on the dark wax. Magnifying instruments may be used as well in order to get confirmation of the infestation.

Treatment Of Ear Mites In Cats

Treating ear mites in cats starts with cleaning out the cat’s ears. The dry crusty wax may be softened with mineral oil prior to the cleaning. Flushing out the ears removes a large number of mites and dislodges the crusty wax. This should be done only by a veterinarian, as damage to the ear could result if it is done improperly.

After the ears are cleaned, an actual ear mite treatment can be used. It is important to also use a flea control medication on the rest of the body at the same time. This is to take care of any mites that have migrated to some place other than the ear. Doing this will lessen the chances of a recurring infestation.

While they can be effective, over-the-counter remedies will typically take longer to work than the ear mite treatment preparations from your veterinarian. Take note of the recommendation to treat your cat with flea medication above. Chronic infestations of ear mites in cats can be due to the mites migrating to another part of the body.

When ear mites are discovered in one cat, any other cats and dogs in the home should be examined and treated accordingly.

Containment is vital if you want to avoid spending your time treating one animal after another for mites. Since ear mites in cats can also be spread to humans and back to your cats, it is necessary to take some precautions.

Until the parasites have been eradicated completely, which can take about one month, physical contact should be limited. Do not cuddle affected cats and kittens close to your face, or let them sleep on or near your pillow. This is sometimes easier said than done!

An occurrence of ear mites in your cat is unpleasant for your cat, and inconvenient for you. Treatment takes quite some time, but the good news is that this is a very treatable condition. In more stubborn cases, “off-label” drugs may be used. This means that a drug that is not normally designed or approved for treating ear mites in cats will be administered. Your veterinarian can tell you if this is a recommended course of treatment based on your individual circumstances.


March 12, 2008 - Posted by | Feline Health

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