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Why is my dog lethargic and sleeping a lot but still eating?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Female | spayed | 4 months and 9 days old | 55 lbs

My Puppy/dog has not being her self today she is eating all she wants to do is sleep in her crate a lot what is wrong with her?

2 Answers

Most Helpful Answer

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Answered By Isabelle Roese, DVM, CVA

Veterinarian, Certified Veterinary Acupuncturist

Published on August 16th, 2017

Chloe could have an off day. If she is eating, drinking and has normal stool but wants to sleep a lot, you could let her rest and reassess in a few hours. She may have played a lot yesterday, more than usual and just need a little rest. On the other hand, if her appetite is not as good as usual, she vomits or has diarrhea I would suggest you take her to the vet . She could have a fever, a viral disease or low blood sugar for example. If Chloe is not up-to-date on vaccines, I would be a little more concerned,especially if her appetite is not as good as usual. Good luck with Chloe and thank you for using Petco Pet Education Center, formerly Petcoach.

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Other Answers

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    Answered By Lauren Kennedy, DVM

    Veterinarian

    Published on

    If Chloe is being lethargic she may be coming down with something like a stomach bug or other virus. This is a pretty vague symptom but it may be the beginning signs of an illness. The good news is that she is still continuing to eat. If she stops eating then I would begin to be concerned. Keep a close eye on Chloe today and monitor her behavior. If she stops eating, starts vomiting, or has diarrhea you should take her to her vet right away. Also, if she is not already, Chloe needs to be up to date on her vaccines and dewormings so you don't have to worry about something like Parvo. Hopefully Chloe will be back to her self in no time. I hope this helps. Thanks for using Petco Pet Education Center, formerly Petcoach. Best of luck.

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