Petco Text Logo
Petco Pet Logo

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

Image profile

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 icon

1Pet Parents found this answer helpful

image
Have A Vet Question?

Book an appointment with the pros – our expert vets are here to help.

Sponsored