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My kitten has yellow fluid in abdomen. Is it food slurry or FIP?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Mediumhair | Male | neutered

My 5 month old kitten from shelter became very lethargic, not eating, weight loss, fever,third eyelid exposure over 1 week. I was constantly syringe feeding him wet food mixed with water-slurry. When I took him to the veterinarian- she pulled yellow fluid from the abdomen. Could that fluid have been the wet food-slurry mixture I was giving him before that appointment?can FIP fluid be found in the same area of the abdomen as undigested liquid cat food?could that food give a distended abdomen look

1 Answer

Most Helpful Answer

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Answered By Amy S. Eutsey, DVM

Veterinarian

Published on June 13th, 2018

I’m sorry to hear about your new kitten. Food substances would remain within the inside of the GI tract and would not be found as free liquid in the abdomen. Your veterinarian obtained the fluid by inserting a needle into the abdominal cavity just through the abdominal muscle. They would not have pushed the needle into the intestines or stomach itself where the food slurry would have been. Abdominal distension and yellowish fluid in a sick young kitten is very concerning and FIP would be a possible diagnosis. I hope you get some answers soon. Thank you

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