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My dog isn't eating but is drinking water and alert. Should I worry?

Updated On September 23rd, 2025

My dog is not eating but he's drinking water and is alert. What's wrong?

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2 Answers

Most Helpful Answer

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Answered By Laura E. McRae

Veterinary Technician

Published on December 22nd, 2014

An adult dog that has no other medical conditions can usually go for 12-24 hours without eating as long as he is still drinking water and is alert. He may just have a bit of an [upset stomach](https://www.petcoach.co/article/how-to-treat-your-dogs-upset-stomach) from something he ate (that he wasn't supposed to) or he could have a touch of gastrointestinal infection. Continue to monitor him. If his symptoms worsen - he stops drinking, becomes lethargic, develops a fever, or begins [vomiting](https://www.petcoach.co/article/vomiting-in-dogs) or has [diarrhea](https://www.petcoach.co/article/diarrhea-in-dogs), then you should [contact your veterinarian](https://www.petcoach.co/article/how-to-handle-a-pet-emergency/).

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    Answered By Dr. Davis

    Veterinarian

    Published on April 18th, 2018

    That depends on how long he hasn’t been eating. If he’s holding the water down and otherwise seems fine then I’d give him a day or so for his stomach to settle. If it’s been over 24 hours and he’s lethargic or has vomiting or diarrhea I’d bring him in soon. He may have eaten something that has gotten stuck in his intestinal track or be coming down with an infection. He also may have been injured and be painful. With a veterinary exam they can diagnose the problem and start treatment so he can get on the road to recovery. Thanks for using Petco Pet Education Center, formerly Petcoach to help you care for Patch.

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    24Pet Parents found this answer helpful

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