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My kitten has soft stool, blood, and a swollen belly. Is it FIP?

Updated On September 23rd, 2025

Pet's info: Cat | American Shorthair | Male | neutered | 2 lbs

adopted my male kitten 3 months ago from a rescue. came with a URI and got my other two cats sick. They all recovered. Now my kitten has a soft stool. Occasional spots of fresh blood. sometimes his belly is swollen too. wont let me feel it. warm to touch. belly is soft when i push. he is sneezing too. one every once in awhile. a few throughout the day. he is playing, big appetite, and is drinking. he's peeing but not as much as my other two (3 and 4yrs old). I am nervous its FIP. help me be calm

1 Answer

Most Helpful Answer

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Answered By Jeffrey Milner

Veterinarian

Published on April 18th, 2018

FIP is an infectious disease, so if one of the cats has it there is a reasonable chance that all of your cats could have, or be in the process of developing, the condition. While some symptoms you are describing can occur with FIP, so can a long list of others. If he is painful in his belly to the point that he is resistant to you even touching it, he needs a physical exam, x-rays, and some diagnostic blood work. Its possible that his upper respiratory infection never truly got resolved, and has spread systemically affecting multiple organ systems. There is no definitive diagnostic tool for FIP either. There are only certain factors that will lead your veterinarian in that direction, particularly determine whether or not it is the form that has an extremely high mortality rate. Let me know if I can help you further.

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