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My dog ate a mouse, now vomiting, lethargic, shaky. What to do?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Male | neutered | 70 lbs

Hi! My dog ate a mouse sometime yesterday, and he puked last night, and has puke 3 more times today. He’s really lethargic, and kinda shakey. He’s not as active as he normally is. Should I be worried?

2 Answers

Most Helpful Answer

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Answered By Mara Howard, DVM

Veterinarian

Published on March 26th, 2019

Thanks for using Petco Pet Education Center, formerly Petcoach! I'm sorry to hear Oscar isn't feeling well. I would recommend Oscar be evaluated by a veterinarian; hat is a large number of times that he has vomited, and with him not feeling well, I would recommend he be seen. There is the possibility that he ate something in addition to the mouse; and if the mouse caused such GI upset, he may need some medications to get his GI system normalized. I would recommend he be evaluated by his veterinarian, have any necessary testing done (xrays, etc) and start any treatment that he may need. Good luck!

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    Answered By Vanessa Yeager DVM MPH

    Veterinarian

    Published on October 17th, 2017

    Hi and thanks for posting on Petco Pet Education Center, formerly Petcoach! There could be multiple causes, but one condition that may be happening there may have been an allergic reaction to something he came into contact with or consumed in the last 24 hours. If Oscar experiences pale or white gums again, please take him in again to his veterinarian or emergency veterinarian for further testing. An autoimmune disorder scubas immune mediated hemolytic anemia could be a possibility as well. I hope this helps and best wishes to you and Oscar!

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