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When to take my cat to the vet for sneezing, lethargy, eating less?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | spayed | 6 lbs

My cat is sneezing and acting lethargic -- no discharge from eyes or nose -- drinking normally -- starting to eat less. At what point do I need to take her to the vet?

4 Answers

Most Helpful Answer

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Answered By Jessica Keay, DVM

Veterinarian

Published on October 15th, 2018

I am sorry to hear about Luna. Since she is lethargic and has a decreased appetite, I would recommend she have an examination by her vet. She may have an upper respiratory infection that requires treatment, and reasons we recommend veterinary care include lethargy, decreased appetite, trouble breathing, coughing. She is exhibiting some of these symptoms now. You can read more about respiratory infections at https://veterinarypartner.vin.com/default.aspx?pid=19239&id=4951489

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Other Answers

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    Answered By Joy Fuhrman, DVM, MBA, CPA

    Veterinarian

    Published on August 7th, 2017

    Sneezing in cats is most commonly due to an upper respiratory tract infection which can be caused by a virus or bacteria. Your veterinarian will be able to prescribe appropriate treatment if this is what is going on. Because your cat is lethargic it is important that she get to a veterinarian as soon as possible.

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    Answered By Daniel Fonza, DVM

    Veterinarian

    Published on January 27th, 2020

    This could be due to a respiratory infection (viral or bacterial). I would recommend taking Dolli in to be seen by a veterinarian so that the most appropriate diagnostic and treatment recommendations can be made. Dolli may need an antibiotic and other supplementation / medication to help alleviate symptoms.

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    Answered By Linda G, MS, DVM

    Veterinarian

    Published on April 24th, 2018

    Hello. It sounds like Misty has a pretty good upper respiratory infection. I am glad that you have already started the lysine. As long as appetite is good, I would not be overly concerned. Some of these respiratory viruses can hang on for several weeks. Keep Misty indoors & as stress-free as possible. If she develops any lethargy, quits eating or develops anything more than a clear or serous ocular/nasal discharge, then please see your veterinarian. Otherwise, you can give this some time to resolve on its own. Thanks for using Petco Pet Education Center, formerly Petcoach.

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