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Cat losing weight and vomiting.

Species: Cat
Breed: Siamese
Age: 8-11 years
Sebastian was always a little overweight. Recently he has started losing weight, throwing up and his stomach is always making gurgling/growling noises. Everyone tells me that he's just overeating and making himself sick, but I'm starting to worry because it seems to be more frequent now.


Online vet, Dr. Marie

Dr. Marie replied:

I always get concerned when a cat is losing weight. There are a few reasons for a cat to be vomiting and losing weight:


  • Hyperthyroidism

  • Kidney problems

  • Liver problems

  • Inflammatory Bowel Disease

  • Intestinal Lymphoma



There are other possible diseases as well.

I would highly recommend you have your vet examine him and do some bloodwork. Many of these problems are treatable.

Hope all is well!

Dr. Marie.

---This question was asked in our Ask A Vet For Free section.---


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Disclaimer: Although Dr. Marie is a qualified veterinarian, the information found on this site is not meant to replace the advice of your own veterinarian. AskAVetQuestion.com and Dr. Marie do not accept any responsibility for any loss, damage, injury, death, or disease which may arise from reliance on information contained on this site. Do not use information found on this site for diagnosing or treating your pet. Anything you read here is for information only.

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Dr. MarieDr. Marie is a veterinarian who practices in a busy animal hospital in Ottawa, Ontario. She created Ask A Vet Question as a resource for good, accurate veterinary advice online. Dr. Marie treats dogs, cats, hamsters, guinea pigs, and rats. She has been a vet since 1999.

Is an online vet visit just as good as a trip to your veterinarian? No! But, many times, asking an online veterinarian a question can help save you money. While Dr. Marie can't officially diagnose your pet or prescribe medications, she can often advise you on whether a vet visit is necessary. You can also ask Dr. Marie for a second opinion on your pet's condition.