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Yeast Infection in Dogs Ears: Symptoms, Causes & Treatment

Dogs have differently shaped ear canals than humans do. Theirs are shaped like an “L,” which allows more debris to become trapped inside the ear.

Certain breeds, such as Labradors and others with long, hanging ears, are more at risk of getting ear infections. Other dogs, like poodles, have a lot of hair in their ear canals that puts them at risk for infections when wax and dirt become trapped within the hair. Any breed of dog that has a type
of allergic skin disease can suffer with chronic ear infections as well.

The most important thing you can do to prevent infections is to keep your dog’s ears clean. There are many different ear cleaners available. While over-the-counter products can be helpful, your veterinarian probably has products that are safer and more effective. Some ear cleaners even have medications in them that kill bacteria and the yeast that contributes to infections.


dog resting head on bed

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Generally, a veterinarian will recommend that you clean your dog’s ears one to two times a day with a solution containing acetic or boric acid. This will create an environment in the ear that can help control yeast growth.

You will need to follow the cleaning with an application of a topical medication like clotrimazole, nystatin or thiabendazole. Your veterinarian may also prescribe an oral antibiotic.

It usually takes about a week of treatment for your dog’s symptoms to start subsiding. However, the veterinarian will probably request that you bring your dog in for follow-up tests to determine that the yeast levels in her ears are returning back to normal.

Finally, always remember to keep your dog’s ears dry during bath time. Water that becomes trapped in the ear canal can predispose your dog to infections.

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