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My dog's ear is itchy with a bald spot. Could it be an infection?

Updated on September 23rd, 2025

Pet's info: Dog | Chihuahua (Smooth Coat) | Male | neutered | 6 years and 8 months old | 15 lbs

My almost 7 yo chihuahua/min pin mix has been scratching at his left ear for a bit. I thought it was doing better, then noticed more scratching. Spotted a bald patch on the back of his ear last week. My other pup has no related issues, so I don’t think it could be any contagious.

1 Answer

Most Helpful Answer

Daniel Fonza, DVM

Answered By Daniel Fonza, DVM

Veterinarian

Published on September 26th, 2023

Hi there and thank you for using Petco Pet Education Center, formerly Petcoach to address your concerns. It is difficult to say for sure what is causing the hair loss and itching on the back of the ear based on the photo alone. However, I would assume that this is likely related to a potential ear infection. I would recommend taking Ollie in to be seen by a veterinarian so that the most appropriate diagnostic and treatment recommendations can be made.
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