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Why is my cat lethargic, vomiting, not eating, and tail whipping?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | spayed

My cat is lethargic, and has a loss of appetite. She will not do anything more than sniff her food or water. She was vomiting yesterday after meals, and earlier today after licking a single treat. She is also whipping her tail nonstop.

1 Answer

Most Helpful Answer

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Answered By David Elbeze, DVM, MRCVS

Veterinarian

Published on July 15th, 2019

It sounds as Widget is suffering from a gastrointestinal condition, possibly an infection. it could also be due to ingestion of a foreign body material. i would recommend taking her to the vet the first chance you get, she will need to be checked first, if the vet thinks it's a simple gastrointestinal infection she will need an anti vomiting injection, antibiotics and a special food for a few days in order to get better. if the vet thinks it is more serious she will need a blood test and possibly an ultrasound in order to find out what is wrong.

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