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My dog is shaking and tired after vaccines. What can I give him?

Updated On September 23rd, 2025

Pet's info: Dog | Jack Russell Terrier | Male | neutered | 3 years and 8 months old | 15.3 lbs

My dog got his vaccines today and he's shaking and doesn't want to doing anything at all. If this is a reaction i there anything I can give him?

2 Answers

Most Helpful Answer

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Answered By Dr. Macartney, BVet Med, MRCVS

Veterinarian

Published on September 29th, 2017

It could be the start of a reaction or he could simply be frightening from the process. You can try a dose of children benadryl to see if that helps Titan. If he does not calm down, stop shaking, has vomiting or dirrhoea I would advise taking him back to the vet immediately.

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Other Answers

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    Answered By Lauren Jones VMD

    Veterinarian

    Published on March 16th, 2017

    Poor Lilikoi! I understand your concerns about your girl, but a bit of lethargy can be normal after vaccinations since the immune system is working hard to mount an appropriate antibody response. Signs of a vaccine reaction can include hives, facial swelling, vomiting, and diarrhea. Call your vet if she develops any of these signs, but otherwise, I would let her rest and see how she feels in a few hours. I wouldn't give any medication at this time. Sometimes a warm compress over the injection site can help with any localized discomfort.

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