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Is bloody poop or vomit normal for dogs during parvo treatment?

Updated On September 23rd, 2025

Pet's info: Dog | German Shepherd | Female | 2 months and 15 days old | 120 lbs

Do dogs usually poop and vomit bloody while being get treatment for parvo virus, Im asking because she was not vomit or poop bloody before treatment

1 Answer

Most Helpful Answer

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Answered By Linda G, MS, DVM

Veterinarian

Published on April 6th, 2019

Hello. Puppies usually are very nauseous & will have a bloody diarrhea with Parvo virus infections, but do not usually vomit up blood. Severe intestinal parasite infestations can mimic parvo, especially with whipworms & hookworms, & there other possible causes for the symptoms including a severe bacterial gastritis, other viruses, toxins & ingestion of foreign objects. I hope Katy is being treated & is doing better. Thanks for using Petco Pet Education Center, formerly Petcoach.

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