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My dog has diarrhea with blood. Is it serious and what should I do?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Male | neutered | 30 lbs

Is this normal? My dog has diarrhea today. Kinda looks like there’s some blood in it but I’m not sure

5 Answers

Most Helpful Answer

Tomasz Wnuk

Answered By Tomasz Wnuk

Veterinarian

Published on May 11th, 2020

Hello and thank you for contacting Petco Pet Education Center, formerly Petcoach. There is definitely blood in the stools. The most common cause of this is gastrointestinal infection but it also may be due to scavenging, intoxication, bleeding ulcer, low platelet count and more. Please, take Jersey to your local vets for a check. He definitely will need a few days of antibiotics but prior to this, your vet will possibly recommend a blood test or ultrasound scan to make sure there is nothing more serious going on.
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Related Answers from Veterinarians

  • Published on May 29th, 2019

    Hi, and thanks for your question.
    These signs could be compatible with an inflammation infection of the gastrointestinal system and surrounding organs (like pancreas and liver). A clinical examination at your local veterinarian is immediately essential to confirm these clinical suspicions and treat appropriately. Antibiotics and possibly further investigations (like abdominal imaging as ultrasound or radiographs) may be needed.
    Hope this answer was helpful, but please do not hesitate to contact us again on the forum or by requesting a consultation if you have any more questions or to discuss it any further. If this answer was helpful please let us know, this will be used to improve our service!

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    1Pet Parents found this answer helpful

  • Answered By Angel Alvarado, LVT

    Licensed Veterinary Technician

    Published on March 14th, 2018

    As long as he is behaving normally, you can manage him at home. Withhold all food for 24 hours. Allow small amounts of water or unflavored PediaLyte, no more than a couple tablespoons every hour. Resume feeding a bland diet in small, frequent amounts. Begin with one tablespoon of food every hour and gradually increase the amount. Feed bland until the stool is normal then transition slowly to his regular diet. Consider a veterinary probiotic, such as ProStora, ProViable or FortiFlora, to promote gut health.
    See your veterinarian if the diarrhea persists for more than 48 hours or if Jax develops lethargy, vomiting, loss of appetite or abdominal pain.

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    1Pet Parents found this answer helpful

  • Answered By Ana M, DVM

    Veterinarian

    Published on September 16th, 2020

    Thank you for submitting your question regarding Molly. I recommend that she sees a veterinarian. The picture shows blood in the stool and there appears to be mucus as well. This typically indicates inflammation or an infection in the large intestine. The veterinarian will examine her and ask questions about her lifestyle. Fecal testing may be needed. Medications will likely be prescribed. Blood in the stool should be treated. I hope this information helps!

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    1Pet Parents found this answer helpful

  • Published on March 23rd, 2018

    Such persistent signs could be compatible with an inflammation infection of the gastrointestinal system and surrounding organs (like pancreas and liver). A clinical examination at your local veterinarian is immediately essential to confirm these clinical suspicions and treat appropriately. Antibiotics and possibly further investigations (like abdominal imaging as ultrasound or radiographs) may be needed.
    Boiled chicken (or white fish) and rice diet could help but a check up in Lara's case is needed given that signs have been ongoing for a week and you noticed blood in the feces as well.
    Hope this answer was helpful, but please do not hesitate to contact us again on the forum or by requesting a consultation if you have any more questions or to discuss it any further.

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    1Pet Parents found this answer helpful

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