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My cat has crusty ears, pus, shakes head. Is it mites or an infection?

Updated On September 23rd, 2025

Pet's info: Cat | Birman | Male | neutered | 14 years and 6 months old | 12 lbs

Hello. Looking for advice about my cat's ear. There is quite a bit of smear and crust at the back and some kind of pus near the front corner. Looks like this could be from a wound? Or could this be an infection? He doesnt seem completely bothered by it but shakes his head and scratches sometimes... Thanks for your help.

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2 Answers

Most Helpful Answer

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Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on August 23rd, 2017

Hi there! Thanks for using Petco Pet Education Center, formerly Petcoach! This looks possibly consistent with ear mites. If not, an ear infection would be considered likely. I recommend you have him evaluated by your veterinarian so this suspicion can be confirmed and he can be treated for it. Treatment usually result in quick relief. Good luck!

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    Answered By Jessica Keay, DVM

    Veterinarian

    Published on May 29th, 2018

    I am sorry to hear about Jacoby. It looks like he could possibly have ear mites https://www.vin.com/veterinarypartner/default.aspx?pid=19239&species=All&id=4951535 , or an ear infection with bacteria or yeast. These conditions require medication to treat, and different medication is used depending on the condition. I would recommend making an appointment for Jacoby to have his ears examined. The vet will take a swab from the ear to look at under the microscope to determine if mites, bacteria, or yeast are present, which will help guide treatment.

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