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Why is my kitten lethargic, not eating, barely drinking, and warm?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Male | unneutered | 6 months and 23 days old | 3 lbs

My kitten is 6 months old and male. He's lethargic,not eating,barely drinking, and feels warmer than normal

2 Answers

Most Helpful Answer

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Answered By Linda G, MS, DVM

Veterinarian

Published on October 24th, 2017

Hello, & thank you for using Petco Pet Education Center, formerly Petcoach. Poor Gypsy has picked up an infection, either bacterial or viral. It is also possibly he has gotten into a fight with another cat & has sustained a bite which in now infected. Cats can not go very long without eating. After just 3 days we can see damage to the liver. Gypsy needs to see a veterinarian tomorrow to see if he needs some fluids & antibiotics to help get well & feel better.

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1Pet Parents found this answer helpful

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    Answered By Laura Johnson VMD

    Veterinarian

    Published on August 1st, 2018

    Hi, thanks for using Petco Pet Education Center, formerly Petcoach! Poor Lillie! I would have her seen today. Waiting until next week isn't recommended. I would worry that she may have a fever now which can be part of a viral infection and the fever causes lethargy and unwillingness to eat. Also sometimes antibiotics can cause an upset stomach. Viral upper respiratory infections are common but we don't want the cat to stop eating. I wish Lillie a speedy recovery!

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    1Pet Parents found this answer helpful

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