My dog has one dilated pupil after neutering. Is it an emergency?

Question

Hi. My dog - 4 year old siberian husky - was neutered, microchipped and got his shots today. He's back home and seems to be doing fine except maybe for some pain as he is cryinf a little. Now I am worried because I just noticed that he has one eye - pupil - noticeably more dilated than the other one... Is this something I should worry about? Thank you!! Pet's info: Dog | Siberian Husky | Male | neutered | 4 years old | 52 lbs

Dr. Melanie, BVSc MS · Accepted Answer

Yes, that is definitely something you should be worried about. What you are seeing is called anisocoria, and when it suddenly appears, it is a medical emergency. This can be due to corneal injury, disease or injury to the brain, disease or injury to the nerves running to the eye, or uveitis among other causes. I would take Ace into an ER vet or find a vet on call to see him ASAP to diagnose what is causing the anisocoria so it can be treated.

My dog has one dilated pupil after neutering. Is it an emergency?

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