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My cat is very sick, not eating, and lethargic. Should I see a vet?

Updated on September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | 1 month and 23 days old

My cat is in sick for 2days, not eating, always lying on the floor, eyes are changing to green, walking very slowly, not meowing, not active,please tell me what is the cause and medication for the cause.

3 Answers

Most Helpful Answer

Jenna Beyer, DVM, MBA, cVMA

Answered By Jenna Beyer, DVM, MBA, cVMA

Veterinarian, Certified Veterinary Acupuncturist

Published on May 24th, 2020

These symptoms can be caused by a range of diseases, and are often accompanied by severe dehydration. Without an exam and some testing, I can't make a diagnosis, and it is illegal for us to make specific recommendations on medications. You should call your local vet for further advice.
Vote Icon2Pet Parents found this answer helpful

Related Answers from Veterinarians

  • Answered By Jessica Desrosiers

    Veterinary Technician

    Published on January 7th, 2017

    Lethargy and loss of appetite are very vague symptoms but can be a sign that something isn't right. it's possible that illness, digestive upset, pain, parasites or other issues could be the cause. if it happens for more than a day, or worsens, it is best to seek veterinary care ASAP for Lucky to find the underlying cause. While cats can get the 'flu" the type humans get is usually not the same type cats get, and it is rare to have them passed from human to cat (however not impossible, as a virus can always mutate). Seeking veterinary care for Lucky if his symptoms continue is the best course of action.

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    1Pet Parents found this answer helpful

  • Answered By Dr. Melanie, BVSc MS

    Veterinarian

    Published on February 20th, 2017

    Poor Fatty! It could be a respiratory infection, but he could have something else causing his anorexia and lethargy such as a systemic illness, infection, inflammation, or injury. It is concerning when a cat isn't eating, as if they don't eat for going on three days, they become prone to a fatty liver. A fatty liver is fatal without treatment, so it's best to avoid that from occurring. I would have Fatty seen by a vet today who can diagnose what is causing his symptoms so he can be treated.

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    1Pet Parents found this answer helpful

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