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Puppy pooping bloody stool after shots. When to call the vet?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Male | unneutered | 5 lbs

I have a 9 week old puppy that i got last week. He just got his 1st shots this week on Monday. He vomited later that day but not since then This morning I noticed he is pooping watery blood. He is eating/drinking, and acting fine otherwise. Very active. He also started on solid food. Wondering if I should take him on or watch him for a couple days.

1 Answer

Most Helpful Answer

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Answered By Linda G, MS, DVM

Veterinarian

Published on October 3rd, 2019

Hello. Honestly, I think you should have Kilo examined again. One vaccination doen not convey immunity to disease, especially Parvo, & it is possible that he could be incubating the virus. Just to be safe, please let your vet evaluate him today or tomorrow, if possible. Thanks for using Petco Pet Education Center, formerly Petcoach.

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