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Senior dog is sleepy and not eating after anesthesia. When to worry?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | neutered | 94 lbs

4pm yesterday our 11 year old was put under mild anesthesia for ultra sound...found intestinal ulcer. He is still really sleepy, not eating and not taking New meds. He drank water...alot, and peed a few times. How do we know when to bring him in for not eating, no meds?

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1 Answer

Most Helpful Answer

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Answered By Rodrigo Roca, DVM

Veterinarian

Published on June 21st, 2019

Hello, sorry to hear about Taz. Sedatives and anesthesia may take up to 24-32 hours to wear off in some dogs, particularly older patients. Other factors that contribute to this include any concurrent illnesses such as liver disease, kidney disease, or even his ulcer. If Taz continues to be sedate and without an appetite, then he should be rechecked at the latest tomorrow morning. If he seems more lethargic or painful, then he should be evaluated sooner. Please contact your veterinarian to inform them that Taz is still sedate and not wanting to eat as they may want to see him sooner depending on his concurrent medical history and what agents they used for anesthesia. Hope this helps and best of luck.

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