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My cat is lethargic, not eating or peeing for 2 days. Is it serious?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Male | neutered | 1 year and 10 months old | 8 lbs

My 2 yr old cat is lethargic, not eating or drinking or having any urine or stool output. This has been going on for 48 hrs. He will respond and walks as tho he is very sore. But only walks very briefly if moved and has so stop and rest after a few steps.

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3 Answers

Most Helpful Answer

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Answered By Stephanie Echols, DVM

Veterinarian

Published on September 1st, 2017

I am sorry to hear Pistol Pete isn't feeling well. It sounds like he is painful somewhere. I recommend taking him to the vet ASAP to determine why he isn't eating or drinking. Cats can only go about 3 days without eating before they get much worse. They may need to run some blood work and xrays to determine why he isn't feeling well. Good luck and kisses to Pete!

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    Answered By Dr. Davis

    Veterinarian

    Published on

    Any male cat that is not urinating for over a day needs to be seen immediately to make sure he doesn't have a urinary obstruction. If he has a blockage the urine will back up and damage his kidneys and he can die quickly. If he's not improving please take him right in for a diagnosis and treatment. Regardless of the reason he'll need fluids to prevent dehydration and medication for pain. Thanks for using Petco Pet Education Center, formerly Petcoach to help you care for Pistol Pete.

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    Answered By Jennifer Summerfield, DVM CPDT-KA

    Veterinarian, Certified Dog Trainer

    Published on July 15th, 2018

    Oh dear! Poor Munig. Not eating for 2-3 days is a serious problem in cats, as they can develop a life-threatening liver condition called hepatic lipidosis if they go a few days without food. There are many things that can cause lethargy and loss of appetite in an older cat like this, so it's hard to say what might be wrong without being able to examine her and run some tests. Some common possibilities would include a systemic illness like chronic kidney disease, a GI problem such as pancreatitis or an intestinal obstruction, or ingestion of something toxic. I would recommend taking Munig to an emergency vet today to be seen, if possible, as this may be a life-threatening issue. The veterinarian can do blood work and x-rays if needed to help diagnose the problem and get her started on appropriate treatment.

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