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My cat has diarrhea from new food. What should I do about soft stools?

Updated On September 23rd, 2025

Pet's info: Cat | Persian | Female | unspayed | 4 months and 15 days old | 7 lbs

Hello! My cat has diaherrea from change of diet what should I do?? I don’t want her on the old food but now her poo is soft stools

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4 Answers

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on August 30th, 2019

Poor Charlotte. Feed her a bland diet of boiled white meat chicken (no bones) in small amounts several times a day for a couple of days. Then slowly add back in her new diet. If the diarrhea continues on the bland diet, she starts vomiting food, stops drinking water, starts vomiting water, or becomes very lethargic, she will need to see a vet right away. I hope this helps!

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Other Answers

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    Answered By Dr. Massimo Orioles, DVM, Cert AVP, MRCVS

    Veterinarian

    Published on March 19th, 2018

    As most of these episodes are related to dietary indiscretion, I would recommend, as a first approach to start feeding with a bland diet based on boiled chicken and rice in small portion every 6 hours for the following 48hours. Then gradually reintroduce the normal diet over 5 days. I would definitively recommend a veterinary check up if the signs persist or you notice vomiting, lethargy or inappetence. If that is the case a gastrointestinal inflammation/infection is suspected and a physical examination and more specific tests (fecal analysis and abdominal radiographs) may be needed to establish diagnosis. Hope this answer was helpful, but please do not hesitate to contact us again on the forum or by requesting a consultation if you have any more questions or to discuss it any further.

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    Answered By Dr. Elizabeth

    Veterinarian

    Published on March 16th, 2020

    I don't think you should freak out but I do think this should be addressed. At this point, since it's been going on for three weeks, Gigi may need a round of antibiotics and probiotics. Continued can allow for bacterial over growth which them continues the diarrhea. For a general food recommendation that is usually easy on the system, I recommend the brand Royal Canin. For now, I recommend to feed Gigi one of the prescription bland diets for two weeks. Then gradually transition her over to a normal cat food if things seem to be going well. If the diarrhea is continuing, you may need to look into a food trial to rule out food allergies (which are not common but are possible). I hope this helps.

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    Answered By Ana M, DVM

    Veterinarian

    Published on April 15th, 2018

    Thank you for submitting your question regarding Callie. Yes, she needs to see a veterinarian as diarrhea is not normal in a young kitten. It is most likely due to parasites, a diet change or the stress of coming to her new home. There are other more serious causes of diarrhea though. Her veterinarian will likely recommend fecal testing and if she is healthy enough she will be vaccinated as well. I hope this information helps!

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