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My dog's ear is swollen, itchy, with black wax. What's the cause?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Male | unneutered | 8 months and 26 days old | 40 lbs

My dogs one ear has been itchy and it has blackish ear wax or something it looks like it also has swollen shut is this a food allergy or mites

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1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on July 19th, 2019

It could be Askem has ear mites, a yeast infection, or bacterial ear infection. You need to take him into the vet so the cause of this can be diagnosed and treated. Since his ear is swollen shut, I would take him into a vet immediately, as leaving this untreated can lead to hearing loss.

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