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Puppy has worms after deworming. How long until they die? Need more?

Updated on September 23rd, 2025

Pet's info: Dog | Fox Terrier | Female | spayed | 4.5 lbs

My puppy received strongid and heart guard over the last two weeks and I noticed today that she has worms in stool. How long will it take to die and will I need additional dewormer medicine

1 Answer

Most Helpful Answer

Laura Johnson VMD

Answered By Laura Johnson VMD

Veterinarian

Published on July 23rd, 2017

Hi, thanks for using Petco Pet Education Center, formerly Petcoach!

Hopefully seeing the worms pass in her stool means that the medications are working. I recommend rechecking a stool sample in 3-4 weeks to make sure there are no eggs present
Vote Icon1Pet Parents found this answer helpful

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