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Why is my cat throwing up yellow foam, eating less, and constipated?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Female | spayed | 2 years old | 11.5 lbs

Hi I have a 2 year old DSH cat. Yesterday she threw up 3 times in the morning and 3 times in the evening. It was often yellow/green and/or white foaming, no hairball or undigested food. No change to food brand, but she is eating less. This morning I noticed her bowel change (3 small balls of poop). Is this any concern.

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on April 13th, 2019

It is concerning Snow is vomiting. I can give you a home remedy to see if that helps. I recommend withholding food for 12-24 hours, then feed 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 normal diet. If the vomiting continues in the absence of food, she vomits the bland diet, develops diarrhea, stops drinking water, starts vomiting water, or becomes very lethargic, she will need to see a vet right away. Best of luck.

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