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Vomiting after eating.

Species: Cat
Breed: Orange with white st
Age: 11-15 years
My cat will vomit after eating several times a week. She will also 'leak' or 'drip' a fowl smelling liquid, which I believe is feces. This happens a few times a month. She is spayed.

I have tried many different brands of food. She eats only dry food, gets plenty of fresh water, and only uses natural clay litter with carbon in it for odor absorption. The litter gets changes weekly.



Online vet, Dr. Marie

Dr. Marie replied:

Vomiting occasionally is a very common issue with cats. In many cases it is quite normal. I do get concerned if it is getting more and more frequent, or if the vomiting is accompanied by not eating and lethargy.

When an older cat is vomiting regularly I sometimes consider hyperthyroidism. This will cause a cat to lose weight but still have a good appetite. If you think this is happening then it would be great to have some blood tests done. Similarly, kidney disease can cause vomiting, weight loss, but the appetite usually decreases.

Sometimes cats can vomit frequently because of inflammatory bowel disease. You would think this would mostly cause diarrhea, but in many cases it is just vomiting. This can be difficult to diagnose however. Sometimes if I suspect inflammatory bowel disease, and I have done blood work and it is normal I will try a cat on a small dose of steroids to help with the inflammation in the intestines.

Another cause for intermittent vomiting can be a poor quality food. Hairballs can also be a cause, even if it is hair that is being vomited. It's never a bad idea to try a Hairball Medication 2-3 times per week.

Regarding the liquid, I am wondering if what you are noticing is coming from her anal glands. There is a small sac on either side of the anus that can fill up with nasty debris. With some cats when it gets too full it leaks out and produces a distinctive fishy odor. Sometimes they can leak because there is an infection in the glands.

I have seen some animals who vomit when they have an anal gland infection (I think because they are licking at the area and ingesting the gross debris.)

It's a great idea to have your vet look at the anal glands. I don't recommend trying to express them yourself. Your vet will be able to tell you if there is an infection or not.

I hope everything goes well!

Dr. Marie.


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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.