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My puppy ate poop after deworming. Should I be concerned about worms?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | unneutered | 2 months and 16 days old

My puppy was d-wormed on Friday, and he ate some of his poop tonight. I haven't been seeing any worms in his stool. SHould I be concerned?

4 Answers

Most Helpful Answer

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Answered By Dr. Leigh, DVM

Veterinarian

Published on April 9th, 2016

Puppies are usually wormed more than once so you shouldn't be too concerned. At some point, he should have a fecal sample tested for worms to make sure he is all negative. He also should be started on a monthly heartworm prevention that treats intestinal parasites, too. Heartgard and Interceptor are two commonly used monthly preventions. Talk to your vet about the best program for your puppy.

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5Pet Parents found this answer helpful

Other Answers

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    Answered By Jennifer Ladd, DVM

    Veterinarian

    Published on

    You won't see worms most of the time with hookworm, round worm and whip worm infections. Microscopic eggs are shed in the feces. When they are puppies they should be dewormed every 10-14 days- at least 2 rounds. I usually do 3: this ensures that even if reinfected they will not carry worms.

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    Answered By Dr. Strydom, DVM

    Veterinarian

    Published on January 17th, 2020

    Sometimes you don't see them. The dewormer is killing the adults and the eggs. He may have mostly eggs. When those come out you won't see them as they are microscopic. I just recommend you repeat the dewormer treatment in two weeks and then if you get him on a monthly heartworm prevention like Heartgard it has a dewormer in it as well so that will keep him healthy.

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    Answered By Laura Johnson VMD

    Veterinarian

    Published on May 13th, 2018

    Hi, thanks for using Petco Pet Education Center, formerly Petcoach! Interceptor Plus is heart worm medication that also gets intestinal parasites. It is given monthly year round to prevent heart worm. It is based on weight. So he will get another dose next month. It is likely that he got the dose since you are now seeing adult round worms pass in the stool. It likely means it is working. You can call your vet Monday and tell them you are worried he didn't get it and maybe they can prescribe some pyrantel (stongid) which is just for round worms (not for heart worm). You should be fine until then. I wish you the best!

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