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What makes a cat's eyes stay dilated and large for several days?

Updated On September 23rd, 2025

What would make a cat I was dilated as large as possible and last for days

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on January 11th, 2017

I'm assuming you mean that your cat's eyes have been dilated for days. It could be caused by pain, head trauma, or hypertension due to kidney disease or hyperthyroidism. This is not normal, and your cat needs to see a vet immediately.

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1Pet Parents found this answer helpful

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