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Why is my cat breathing fast, shallow, and sleeping more than usual?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | spayed | 12 lbs

My cat has been breathing really rapidly and sleeping a lot more than usual. She has some sort of cold or flu a few weeks ago, and we thought she recovered, but these past few days she’s been off. Right now she’s sleeping and she has very shallow, fast breaths.

1 Answer

Most Helpful Answer

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Answered By Dr. Dayna, DVM, CVA

Veterinarian, Certified Veterinary Acupuncturist

Published on March 10th, 2018

I am sorry to hear that Mochi isn’t feeling well. Abnormal or difficulty in breathing can be a life threatening situation. Cats especially do not tolerate respiratory difficulties well and they will tend to become critical quickly. Pneumonia, feline asthma, heart disease, heartworm, and cancer are all common causes of respiratory problems in cats. I would highly encourage you to have her evaluated by a veterinarian immediately. A chest x-ray will likely be recommended to help determine the diagnosis and best treatment plan. Best of luck and I hope she improves soon. Thank you for using Pet Coach.

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