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My puppy has diarrhea after dewormer but is active. Should I worry?

Updated On September 23rd, 2025

My puppy is 5 and half week old I gave him puppy wormer and today he’s had diarreah he’s been trying to eat drink and play still should I be worried

1 Answer

Most Helpful Answer

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Answered By Laura Johnson VMD

Veterinarian

Published on July 25th, 2018

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! Sometimes dewormers cause an upset stomach leading to diarrhea or even vomiting. I would add a little rice or a small amount of canned pumpkin to his food. If the diarrhea doesn't improve in 1-2 day or if he stops eating or starts vomiting he should see a vet as he is very young. Good luck!

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