Cat Vomiting After Eating

Find out why cats throw up after eating and how you can get to the bottom of your cat's vomiting problem.

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Orange Tabby with Food

Q: Is there any reason why my cat is throwing up after eating? My cat has only been doing this for a couple of days but I'm beginning to worry. I have two cats so I know he eats quickly, but he has been eating fine for the last three years with no vomiting problems. Now sometimes my cat vomits after he eats. He is a healthy tabby cat full of life, who runs around playing and sleeps fine. Any ideas?

A: Most of the time if a cat throws up immediately after eating, it is because the cat is rapidly gorging on cat food. Given the fact that you have another cat that he is competing with, consider the possibility that this is playing a factor in your cat's vomiting. However, if the vomiting seems to be unrelated to eating, there may be other things to consider.

In general, cats vomit either from a metabolic disorder or from a gastrointestinal disorder. Your cat's veterinarian should run bloodwork to rule out such metabolic disorders as kidney disease or hyperthyroidism. If a metabolic disorder is not the cause, then your vet should consider a gastrointestinal disorder, such as a food allergy, food hypersensitivity, and inflammatory bowel disease.

Discuss with your veterinarian trying different cat diets, for example, prescription diets that are designed to be bland and not irritating to the gastrointestinal system (such as Hill's Prescription Diet I/D, or Eukanuba Low-Residue formula). If this doesn't alleviate the vomiting problem, a feeding trial using a hypoallergenic diet with a novel protein source such as rabbit, venison, or duck, may be warranted to rule out food allergy.

If your cat continues to throw up after eating, further diagnostics such as ultrasound and/or endoscopy may be necessary to get to the bottom of your cat's vomiting problem.

See more causes of cat vomit here >>

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Reader Comments

Loca    Bridgeport, CT

8/21/2015 6:35:58 AM

More like a question. I'm guessing my kitten is around 5/6 weeks. Bottle fed formula since about a week old. I started her on kitten food ( while weening her off formula) about 10 days ago. She vomits after every feeding now.
She's growing, happy, healthy, and Extremely energetic! You know... Ferocious like all normal kitties. What do u think is the problem? Btw I feed her Science Diet

Robert    Wixom, MI

7/19/2015 1:14:14 PM

we have been having this problem with one of our male cats since the beginning. It might be that the cat was drinking water immediately afterwards, not sure. It was happening when food was (previously) always available, so we don't think it was a gorging thing because of the other cat.

BUT WE FOUND A SOLUTION that we don't quite understand: we feed the cat in a crate. We set a time for 8 minutes (working on bringing it down--started at 10 minutes). After that, we let the cat out and he doesn't vomit.

at this point we are not sure if it is because he can't get to water immediately after eating or if there is some other explanation, but it's worked for us for several months now and we have no explanation.

Previously he was vomiting at least 50% of the time within minutes of each meal. We do believe there could be an IBS problem as well, but for now we've managed to stop the vomiting which is a good start on improving his health (already tried de-worming 3 times, an anti-biotic the vet thought might help...the cat is still underweight even now that he has stopped vomiting, so the rest of the problem is yet to be diagnosed).

mary    SCRANTON, PA

7/15/2015 10:39:51 AM

I am thinking it is because I have 5 kittens and they are all trying to eat at the same time, I am going to try feeding them separately and see if it helps.

Tracey    Oak Ridge, TN

7/3/2015 5:33:41 PM

My cat is long haired. I brush her everyday but there is always a hair ball mixed in with her vomit. She's been on WD wet for over a year. It worked but it's not anymore. She is very food motivated. When I took her to the vet last year she had bald spots from over grooming due to stress. She's not over grooming, however she is losing weight. I am on disability and I'm paying down the $1.000.00 I charged from last year. Please help me. PLEASE!!!

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