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My dog had bloody diarrhea with watery spots once. Should I worry?

Updated on September 23rd, 2025

Pet's info: Dog | Pekingese | Female | unspayed | 13 lbs

My 14 y/o Pekingese has diarrhea with spots of watery blood. It's only happened once, do I need to be immediately concerned?

3 Answers

Most Helpful Answer

Dr. Melanie, BVSc MS

Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on February 16th, 2017

Poor Bitsy! It certainly isn't normal to have bloody diarrhea, and it can have serious causes such as GI tumors, infected anal sacs, intestinal worms, dietary intolerance, trauma to the GI tract, hemorrhagic gastroenteritis, and a foreign body among other causes. If Bitsy is acting normally, eating and drinking normally, and doesn't have any more episodes of it, it could be a one off occurrence from something she ate, and it likely doesn't require a vet visit. Should it happen again, and/or she develops other signs such as vomiting, anorexia, and lethargy, then I would have her seen by a vet right away.
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Related Answers from Veterinarians

  • Answered By Dr. Elizabeth

    Veterinarian

    Published on March 12th, 2019

    Yes, Josie needs to be seen today. Make sure to have her stool tested for worms and Giardia. Bacterial infections as well as these parasites can spread between dogs and both may need treatment. I hope this helps please feel free to post any additional questions.

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  • Answered By Dr. Melanie, BVSc MS

    Veterinarian

    Published on June 25th, 2017

    Yes, I would be concerned about the blood in Diesel's feces as it's not normal. It could be that he is suffering from colitis, which is an inflammation of the colon and large intestine, and that could cause the blood in his feces. There could also be other serious causes such as a foreign body, trauma to the GI tract, or GI tumors. Given that he is eating and drinking, as well as behaving normally, you don't need to rush him into the vet right away but I would recommend having him seen by a vet in the morning if he's still having bloody diarrhea.

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    1Pet Parents found this answer helpful

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