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Dr. B.
Dr. B., Cat Veterinarian
Category: Cat Veterinary
Satisfied Customers: 15629
Experience:  Small animal veterinarian with a special interest in cats, happy to discuss any questions you have.
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My normally healthy tabby cat has been vomiting for an hour,

Customer Question

My normally healthy tabby cat has been vomiting for an hour, little diarrhea and now some rapid breathing. Hoping it will pass and it is not an emergency
Submitted: 27 days ago.
Category: Cat Veterinary
Expert:  Dr. B. replied 27 days ago.

Hello & welcome, I am Dr. B, a licensed veterinarian and I would like to help you with your wee one today.

What did the vomit and diarrhea look like?

Is he passing urine normally? Does he look like he is straining to pass urine?

Can he keep water down?

Are his gums pink or pale/white? Moist or sticky?

If you press on his belly, does he have any discomfort, tenderness, or tensing?

Could he have eaten something he should not have (ie bones, toys, plants, chemicals, etc)?

Customer: replied 27 days ago.
Diarrhea was light colored, not much, like color of throw up. Vomit statted with solid, then liquid, then foamy, then liquid. Not sure if tender, but meowing when I touch hom. Just noticed some slimy mucous stuff in his butt, he is not like that. Sounded like he was snoring a minute ago, that stopped.
Expert:  Dr. B. replied 27 days ago.

Thank you,

First, we do need to tread with care whenever there is any doubt that a male cat can pass urine. This is because urinary blockage in male cats is an absolute emergency situation and can appear as you have reported. And I am quite concerned about Milo specifically if he reacted and vocalized when you pressed on his belly. As well, while we can see vomiting/diarrhea together with gut based issues, the fact he has just passed a bit and has mucus just makes me concerned that these could have been side effects of straining to pass urine. So, if you think he may not be able to pass urine, then we'd want him see right away by the local ER vet in case of a life threatening urinary blockage. To find your local ER, you can check @ or via

Otherwise, if you are sure he can pass urine then we can focus on the more common GI centered differentials for his signs. In regards ***** *****’d be most wary of a gut infection, pancreatitis, parasites/protozoa infections, general dietary indiscretions, and ingestion of harmful items (ie toxins, plants, non-edible items).

With this all in mind, as long as he can keep water down, we can try some home supportive care to try to settle his stomach. To start, if he hasn’t just vomited (since otherwise we’d need to rest the stomach for a few hours first), you can consider treating with an OTC pet safe antacid like Pepcid (More Info/Dose @ or Tagamet (More Info/Dose Here @ Whichever you choose, we’d give this 20 minutes before offering food to allow absorption. Of course, do double check with your vet if he has a known health issues or is on any medications you haven't mentioned. Also if you give this and he cannot keep it down due to nausea that is usually a red flag that we need to bypass his mouth with injectable anti-vomiting medication from his vet.

Once he is more settled, you can plan to try small meals of a light/easily digestible diet. Examples you can use are boiled chicken, boiled white fish, or scrambled eggs, or meat baby food (garlic/onion free only). The aim of these diets is that they will be better tolerated/absorbed by the compromised gut. Therefore, it should get more nutrients in and result in less GI upset and will help with the loose stool As long as improvement is being seen, I usually advise continuing this until the signs are settled, and then weaning slowly back to what you normally feed.

Overall, a wide range of agents could trigger the signs we are seeing. If there is any doubt he cannot urinate or if that belly is quite uncomfortable, then we'd want him seen now. Otherwise, you can consider supportive care to try to settle his stomach. Though if he cannot keep that or water down, appears dehydrated already, or doesn’t respond to the above within 12-24 hours; then we'd want to get his vet involved. They can assess his hydration, rule out fever, ensure nothing in his stomach that shouldn't be, or any sinister viruses present. Depending on their findings, his vet can treat with injectable anti-vomiting medication +/- antibiotics to settle his stomach and get him back feeling like himself.

Please take care,

Dr. B.


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