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My dog's eye is swollen, red, cloudy, and squinting. What's wrong?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | unspayed | 12 years and 5 months old | 15 lbs

My dog, Daisy, is a 12-year-old chihuahua mutt. Earlier this year, she was diagnosed with a vaginal/cervical tumor that the vet thought was cancerous. Yesterday, I noticed that her right eye was squinted shut and she was pawing at it and rubbing it against blankets. I noticed that it appeared swollen and the whites of her eyes are red. Today, I noticed that her pupil looks extremely cloudy. I was wondering if this is something simple or if it's something serious?

1 Answer

Most Helpful Answer

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Answered By Dr. Heidi DVM, CVA, CCRT, CVTP, CVSMT, CVCH

Veterinarian, Certified Veterinary Acupuncturist, Certified Canine Rehabilitation Practitioner

Published on November 7th, 2017

It's impossible to tell you what is going on with Daisy, but the most common cause of a dog squinting and rubbing their eye is a corneal ulceration. Corneal ulcers are often relatively easy to heal, but become worse the longer it is before they are treated, so I would recommend having Daisy evaluated by your vet ASAP. I have attached more information below. https://www.veterinarypartner.com/Content.plx?P=A&S=0&C=0&A=554 Good luck! I hope that was helpful. Thanks for using PetCoach.

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