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My 8-year-old dog has a tiny spot of blood in his poop. What's wrong?

Updated On September 23rd, 2025

Pet's info: Dog | Boxer | Male | neutered | 8 years and 8 months old

My 8 year old had a tiny spot of blood in poo the last two days

4 Answers

Most Helpful Answer

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Answered By Dr. Davis

Veterinarian

Published on April 24th, 2018

Blood in the poop can be from intestinal parasites, polpys or a mass, irritation of the intestines from eating bones, intestinal inflammation or from infected anal sacs. With one episode I’m not overly concerned about it as long as your dog is acting normal. If it continues I recommend a fecal test, have the anal sacs expressed, and palpate for a mass in the rectum. Thanks for using Petco Pet Education Center, formerly Petcoach to help you care for Cody.

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    Answered By Dr. Melanie, BVSc MS

    Veterinarian

    Published on December 6th, 2019

    Albert is so cute! It could be intestinal worms causing the blood in his poop. He may need another dose of the medication to kill them. It usually takes at least two deworming treatments each given two weeks apart to kill all the worms. I would also have him checked out by a vet for this to be safe. I hope this helps!

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    Answered By Ricardo Fernandez, DVM

    Veterinarian, Veterinary Oncology Resident

    Published on July 7th, 2019

    Thanks for using Petco Pet Education Center, formerly Petcoach! Bloody stools can be observed with conditions such as colitis, gastroenteritis, dietary indiscretion, ulcer, intestinal parasites, among many other possibilities. Since he has not improved on the therapies he is on I recommend that you have Cody reevaluated by your veterinarian for further assessment and treatment. They may choose to check for parasites and to start medications depending on the results. Good luck! Hoping for a speedy recovery!

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    Answered By Stephanie Echols, DVM

    Veterinarian

    Published on November 7th, 2017

    Thanks for using Petco Pet Education Center, formerly Petcoach! This could be from straining to have a bowel movement or diarrhea. It could also be from intestinal parasites. I recommend taking a fresh stool sample to the vet so they can look for microscopic eggs. If found they can treat for the parasites and the blood. Good luck and kisses to Alfie!

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