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Why is my dog shaking, panting, and not acting like himself?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | unneutered | 1 year and 6 months old | 13 lbs

Hi, My dog is a mix breed maltese/poodle he is 18 months, I noticed yesterday that he is shaking & panting, but he eats & walk, but not as usual that he is active he only lay down, what is the symptom could be please help I am so worried..

2 Answers

Most Helpful Answer

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Answered By Dr. Massimo Orioles, DVM, Cert AVP, MRCVS

Veterinarian

Published on July 30th, 2018

This is a quite generic but concerning sign. Differentials are many, from gastrointestinal diseases (infection/inflammations often dietary related) to any disease that can spread systemically (causing lethargy for example) like infection, and anything that can cause pain/discomfort. A check up is needed if these vague signs last for more than 24hours. Hope this answer was helpful, but please do not hesitate to contact us again on the forum or by requesting a consultation if you have any more questions or to discuss it any further.

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    Answered By Dr. Melanie, BVSc MS

    Veterinarian

    Published on April 24th, 2020

    Thank you for contacting Petco Pet Education Center, formerly Petcoach with your question about Casper. Poor boy. He may be in pain causing the shaking and panting, or could be feeling sick. Unfortunately without seeing him in person, I can't narrow down what's going on. I think it's best to rest him tonight. No running, jumping, or playing. Take him out to potty on a leash and bring him right back in when he's done. Please do not give him any human pain medications, as many are toxic to dogs and can be fatal if given. If he's still acting this way in the morning, I'd have him seen by a vet. I hope this helps!

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