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My dog has diarrhea and vomiting after deworming. Is this normal?

Updated On September 23rd, 2025

Pet's info: Dog | Bull Terrier | Male | unneutered | 3 months and 4 days old | 50 lbs

Why dose my dog have diarrhea and vomiting after getting the deworming shot on the 22

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on February 25th, 2019

It could be from the dead worms moving through Stich's GI tract, but it could have another cause such as a GI illness. Whenever a dog is both vomiting and having diarrhea, it's time to see a vet. I'd take him into one first thing in the morning. I hope this helps.

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