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Why is my cat lethargic, not eating, with discharge and a fever?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | unspayed | 9 lbs

Good day! Doc, i just wanted to ask i have a cat..she is lethargic, does not want to eat, has a nasal and ocular discharge. And alswo i think she has fever for she is hot when i touched her..what are the possible causes doc? Thank you.

2 Answers

Most Helpful Answer

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Answered By Dr. Heidi DVM, CVA, CCRT, CVTP, CVSMT, CVCH

Veterinarian, Certified Veterinary Acupuncturist, Certified Canine Rehabilitation Practitioner

Published on October 2nd, 2017

I'm sorry Shara isn't feeling well. We commonly see viral upper respiratory infections that can cause nasal and ocular discharge as well as fever in cats. I have included additional information below. https://www.veterinarypartner.com/Content.plx?P=A&S=0&C=0&A=613 It is important to make sure that Shara is not getting dehydrated. Sometimes that requires your vet to give her fluids. You will also want to make sure that she does't have any secondary infections that need to be treated. Once your vet has evaluated her and treated her appropriately, be sure to try really smelly canned food to get her to eat. A cat's sense of smell is important to get them to eat, so if they have nasal discharge, sometimes we have to feed them much smellier food than normal to get them to eat. Good luck! I hope that was helpful. Thanks for using PetCoach.

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    Answered By Sara Farmer, DVM

    Veterinarian

    Published on November 24th, 2018

    A viral infection can cause an increase in temperature (fever) and lethargy. Upper respiratory infections like cat flu usually will also cause sneezing, nasal discharge and eye discharge. There are many other infections that could cause fever and lethargy as well. Antibiotics are also only necessary if there is a secondary bacterial infection. I think your first step will be to have a veterinarian examine your cat once they are available and determine what might be causing her illness. Until then I would recommend trying to encourage her to eat by offering canned foods and making sure she has plenty of water available.

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