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My cat is panting, drooling, lethargic, and won't eat. What's wrong?

Updated On September 23rd, 2025

Pet's info: Cat | American Shorthair | Female | spayed | 10 years and 10 months old

My cat is lethargic and is not interested in food. Last night she was panting a lot and her breathing was very rapid. She kept drooling and meowing not like usual. Now she is just laying down but she did drink some water. What is wrong with her?

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1 Answer

Most Helpful Answer

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Answered By Jennifer Summerfield, DVM CPDT-KA

Veterinarian, Certified Dog Trainer

Published on October 12th, 2019

Poor Precious! It sounds like she's quite sick. Open-mouth breathing or "panting" in cats is not normal, and usually indicates a serious breathing problem or some type of severe stress. Acting lethargic and not eating are very vague symptoms that could be caused by almost any kind of illness, so it's hard to say what might be going on without being able to examine her and run some tests. It does sound like this may be a life-threatening problem, so I would recommend taking her to the vet today to be seen. If your regular veterinarian doesn't have Saturday hours, I would take her to your nearest emergency clinic. The vet there can do blood work, x-rays, or other testing if needed to help diagnose the problem and see what kind of treatment is needed.

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