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My cat is throwing up white stuff and not eating. What's wrong?

Updated On September 23rd, 2025

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

My cat has been throwing up all night ao far and and still doing it the acts as if something is stuck when she does it she's not moving a lot or eating a lot and the vomit it clear with some white stuff in it what do you think could be the problem

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4 Answers

Most Helpful Answer

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Answered By Laura Johnson VMD

Veterinarian

Published on November 7th, 2017

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! Poor Tifa! Thanks for the pictures! The spaghetti noodle things in the vomit are adult round worms, which are an intestinal parasite. Since Tifa is lethargic, not eating and profusely vomiting I would recommend taking her in to the Vet. Hopefully with some supportive care and deworming medications we can get her back to normal. I have, in rare cases, seen intestinal parasites cause an intestinal obstruction. I hope this helps and I wish Tifa a speedy recovery!

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    Answered By Dr. Melanie, BVSc MS

    Veterinarian

    Published on January 15th, 2017

    Poor kitty! This vomiting could be due to intestinal worms, eating something rotten, pancreatitis, GI illness, or a foreign body. Make sure she is up to date on her deworming treatments, and give her one if she is not. Given that she was throwing up yesterday and today, and now isn't eating today, the time has passed to try a home remedy, and she needs to see a vet as soon as possible. The vet can diagnose what is causing her symptoms, and can treat her for it. Please take her into a vet now.

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    Answered By Lauren Kennedy, DVM

    Veterinarian

    Published on November 9th, 2017

    Decreased appetite in a cat can certainly be concerning. The good news is that your cat is still acting normally and being playful. Your cat may have an upset stomach from a number of things such as gastritis, pancreatitis, intestinal parasites, a viral infection, or a foreign body and blockage. It is also common for cats to vomit because of hair balls. For now, you can try feeding your cat an easily digestible food, such as chicken and rice or a commercially prepared diet for sensitive stomachs. Feed her small meals frequently if she is not vomiting. If this works for her then you can gradually increase the amount you are feeding her and give her 2-3 meals per day. You may also want to try giving her an over the counter treatment for hairballs. You can also purchase dewormer at your local pet store to rule out parasites as the cause of her problem. If your cat continues to vomit, loses weight, or starts having diarrhea you may need to find a veterinarian to have her checked out. I hope this helps. Thanks for using Petco Pet Education Center, formerly Petcoach. Best of luck!

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    Answered By David Elbeze, DVM, MRCVS

    Veterinarian

    Published on November 12th, 2017

    It sounds as your cat is suffering from a gastrointestinal condition, possibly an infection. it could also be due to ingestion of a foreign body material. i would recommend taking her to the vet the first chance you get, she will need to be checked first, if the vet thinks it's a simple gastrointestinal infection she will need an anti vomiting injection, antibiotics and a special food for a few days in order to get better.

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