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My 5-day-old puppy has worms? What does puppy poop look like?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | unneutered | 4 days old

My newborn puppy is 5 days old. Can they have worms at an early stage? I have a picture of his stool. Please let me know if we may share the photo. It’s my first time nursing an orphaned puppy.

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Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

Published on October 26th, 2017

Yes, puppies can become infected with intestinal parasites 'in utero' (before being born), through nursing or from their environment. You can submit the stool sample to your veterinarian to diagnose intestinal parasites. Begin a deworming protocol when the pup is two weeks old.

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