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Updated on September 23rd, 2025
Pet's info: Cat | Mixed Breed | Female | spayed | 3 years and 3 months old
For some time I've been able to hear my cat breathing. At first we thought it was a stuffed nose because of the winter, but it's still going on. It happens for a moment, it sounds as if her nose is whistling and other times it sounds like a snore. She's a bit overweight, but runs and plays without trouble. What could be happening?
2 Answers

Answered By Marcy McKeithen, DVM
Veterinarian
Published on January 9th, 2017
Answered By Jenna Beyer, DVM, MBA, cVMA
Veterinarian, Certified Veterinary Acupuncturist
Published on August 14th, 2019
It could be more serious, but it may be hard to diagnose. X-rays would be a good first step to check for any narrowing of the trachea or current lung abnormalities. A sedated oral, nasal, and pharyngeal exam can look for scar tissue, abnormalities, or polyps that can cause this to happen. If those are both normal, then a CT scan or MRI may be needed to find the cause for the narrowed airway (which often causes the whistle sound when breathing).
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