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My cat's third eyelid is showing, and she's throwing up. Emergency?

Updated On September 23rd, 2025

Pet's info: Cat | Siamese | Female | unspayed

My cat has the third eyelid stuck out and is now throwing up is this an emergency that I need to take her in?

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4 Answers

Most Helpful Answer

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Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on March 19th, 2018

Thanks for using Petco Pet Education Center, formerly Petcoach! Vomiting can be observed with conditions such as gastroenteritis, pancreatitis, dietary indiscretion, gastrointestinal foreign body ingestion and obstruction, among other possibilities. For this reason, I highly recommend that you have Google evaluated by a veterinarian for further assessment and treatment as soon as possible as I am afraid she is likely becoming dehydrated. They would be able to check for these possibilities and also check her hydration status and give her medications to make her feel better. Good luck!

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    Answered By Jenna Beyer, DVM, MBA, cVMA

    Veterinarian, Certified Veterinary Acupuncturist

    Published on March 27th, 2020

    He needs to be examined by a vet. Common causes of diarrhea in a kitten from a shelter situation would be intestinal parasites (worms, coccidia, giardia). The sneezing and eye discharge are often caused by a viral upper respiratory infection. They generally run their course, but some of them respond to supplementing with L-lysine cat treats.

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    Answered By Anna M., DVM

    Veterinarian

    Published on July 20th, 2017

    Congrats on your new kitten! If she's just had one single episode of vomit and diarrhea, you may continue to monitor her. Encourage more water intake by offering her canned kitten food - you may mix a little extra water in to further increase her fluids. One single episode of vomit and diarrhea shouldn't be enough to dehydrate her, but keep a close eye on her. As long as she goes back to normal eating & stool with no further vomiting, I'm not too worried - but if symptoms continue she should go in to the vet. The 3rd eyelid may be related to an upper respiratory infection. Kittens love to share upper respiratory viruses, and shelters are perfect environments for them to pass these viruses around, so it's common for a new kitten to have mild sneezing, eye discharge, and mild conjunctivitis. Of course, if you feel it's excessive, or accompanied by any other symptoms, I'd recommend having a vet take a look. Hope this helps!

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    Answered By Amy S. Eutsey, DVM

    Veterinarian

    Published on June 2nd, 2018

    Kittens that are this young and small can get worse quickly. They can get dehydrated and weak. They should be seen by a veterinarian for an exam and a fecal test. It sounds like they have an upper respiratory infection, eye infection and the diarrhea may be caused by intestinal parasites or coccidia. They should be examined as soon as possible before they get worse.

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