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Why is my small dog's eye red after using a choker collar at training?

Updated on September 23rd, 2025

Pet's info: Dog | Maltese | Female | spayed | 5 years and 6 months old | 7.2 lbs

My dog went to her first obedience class today. She is a 7 lb Malitpoo. The instructor has us use a choker collar for the first several sessions. She did really well and only had a couple of good pulls against my husband during the training session. I went to bathe her and noticed that the schlera on her right eye is red like a blood vessel has broken in it. She never goes outside without us and is always on a leash. I'm wondering if using that collar may have caused it,, what to do?

1 Answer

Most Helpful Answer

Dr. Dayna, DVM, CVA

Answered By Dr. Dayna, DVM, CVA

Veterinarian, Certified Veterinary Acupuncturist

Published on October 7th, 2017

Hi there. Yes, pressure / strangulation at the neck can absolutely cause ruptured blood vessels and sclera hemorrhage. I would visit with the instructor about other methods of training or visit with your husband about the amount of force used. She is a very small dog and he might not realize how strong he is or how much force he can accidentally apply. I hope this was helpful. Take care !
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