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Why is my indoor cat vomiting, having diarrhea, and losing neck hair?

Updated on September 23rd, 2025

Pet's info: Cat | British Shorthair | Male | neutered | 4 years and 9 months old

My cat is a in door cat he is vomiting and having diarrhoea and losing hair around its neck what can I do

1 Answer

Most Helpful Answer

Ricardo Fernandez, DVM

Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on September 15th, 2017

Hi there! Sorry to hear that Ace is not feeling well. The clinical signs you describe are concerning as they can seen with different gastrointestinal conditions such as dietary indiscretion, pancreatitis, gastroenteritis, among other possibilities. The sooner these conditions are treated the better the outcome tends to be. For this reason, I recommend that you have Ace evaluated by your veterinarian to check for these possibilities and to start therapy based on findings. At the very least they can address dehydration if present and start him on anti-nausea medications. The hair loss is likely unrelated and it is some form of dermatitis which they can check at the time. Good luck! Keeping my fingers crossed for your boy!
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