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Dr. B.
Dr. B., Cat Veterinarian
Category: Cat Veterinary
Satisfied Customers: 15713
Experience:  Small animal veterinarian with a special interest in cats, happy to discuss any questions you have.
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My cat who is two years old and an indoor cat is vomiting

Customer Question

my cat who is two years old and an indoor cat is vomiting clear liquid and will not eat. Should I take him to the ER? He hasn't eaten since Friday night.
JA: I'm sorry to hear that. The Veterinarian will know if your cat will be able to digest that. What is the cat's name?
Customer: Precious
JA: Is there anything else important you think the Veterinarian should know about Precious?
Customer: No
Submitted: 1 month ago.
Category: Cat Veterinary
Expert:  Dr. B. replied 1 month ago.

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

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)?

Has he had any diarrhea?

Any issues with passing urine? any straining?

Customer: replied 1 month ago.
He just drank a little milk for me but nothing else and he has kept that down but it has only been less than 30 minutes ago that he drank it. He wont let me look at his gums.
Expert:  Dr. B. replied 1 month ago.

Thank you,

No worries, though you can look at his inner eyelid if he won't let you lift a lip.

Now can you just confirm those other concerns I asked about? Any issues with belly discomfort,urination, or any chance he ate something dangerous?

Customer: replied 1 month ago.
No belly discomfort or problems urinating. I don't think he ate some he should not have. He just let me check his gums and they are pink
Expert:  Dr. B. replied 1 month ago.

Thank you,

First, I am very glad to hear that he isn't having any urination troubles. The reason I asked is because it can lead to vomiting and anorexia and is truly a feline emergency. With that aside, we can breathe a sigh of relief and consider triggers for the nausea signs he is showing. Specifically, we'd be wary of a bacterial or viral gastroenteritis, pancreatitis, parasites/protozoa infections, general dietary indiscretions, and ingestion of harmful items (thankfully less likely here).

With this all in mind, as long as he can keep some fluids 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) There are also OTC vet diets (ie Hill’s I/D or Royal Canin’s sensitivity) that can be used too. 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. 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.

Since dehydration is a risk in vomiting cats, we need to keep an eye on his hydration. To check this and make sure dehydration isn’t an issue, there are a few parameters you can test. Further to checking for gum moisture, you will want to make sure his eyes are not looking sunken and that he doesn’t have a "skin tent" when you lift the skin. To see how to check these, you can find a good video HERE ( If you do see any of these signs already, then that would be our cue to have him seen before this becomes an additional issue (especially since its often dehydration that makes them feel unwell).

Overall, a wide range of agents could trigger the nausea induced signs we are seeing. Therefore, we’d want to start supportive care to try to settle Precious's 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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Expert:  Dr. B. replied 1 month ago.

I'm just following up on our conversation about your pet. How is everything going?

Dr. B.

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