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My dog isn't pooping after deworming. Is this normal or concerning?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | unneutered

I gave my dog his first deworming dose last night, and he has not pooped at all today, which is not normal for him. Should I be worried?

5 Answers

Most Helpful Answer

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Answered By Destini R. Holloway, DVM

Veterinarian

Published on June 2nd, 2016

I would not be concerned about it just yet. This is not atypical for the bowels to be a little irregular after deworming. Just monitor your pet for the next 24 hrs for any straining (tyring to poop but can't) or diarrhea. If that occurs then it is best to get Graham Cracker evaluated by your vet for further care. But for now it is a bit premature to make that determination that your pet needs help.

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40Pet Parents found this answer helpful

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    Answered By Jennifer Summerfield, DVM CPDT-KA

    Veterinarian, Certified Dog Trainer

    Published on November 22nd, 2016

    As long as he's acting normal otherwise and isn't straining to poop, I wouldn't worry that he hasn't gone since this morning - he will poop when he's ready :) Deworming can sometimes throw a puppy's normal potty schedule off a little, but this is normal. You will need to repeat the dewormer in 14 days to ensure that all life stages of the worms are killed.

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    Answered By David Elbeze, DVM, MRCVS

    Veterinarian

    Published on October 31st, 2017

    Stool comsistancy can vary at this age and even more right after deworming. if this is the only symptom with Cody just keep an eye on his stools in the next few days to make sure it doesn't turn into severe diarrhea.

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    Answered By Dr. Melanie, BVSc MS

    Veterinarian

    Published on November 5th, 2016

    You are correct that it could have happened due to him being dewormed recently, as that can cause diarrhea. Walker is also young, and his bowel control isn't fully developed at this age. He may need to let out once a night to go potty, so I would recommend getting up once in the night to let him out to prevent him from pooping in his crate again.

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    Answered By Jeffrey Milner

    Veterinarian

    Published on April 4th, 2018

    It really depends on how many meals she has missed entirely, or if she will take other foods besides her regular stuff if offered. The deworming medicine can upset some animal's GI tract and make them not want to eat. If she hasn't eaten in 24 hours, because she is so small and capable of becoming quickly hypoglycemic, I would recommend taking her in to the vet to be assessed for potential causes of anorexia. If it has only been 8-12 hours, I wouldn't worry just yet. Hope this helps.

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