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What should I do if my 11-week-old puppy has blood in her stool?

Updated On September 23rd, 2025

Pet's info: Dog | Staffordshire Bull Terrier | Female | unspayed | 5 lbs

My puppy has blood in her poo. She’s 11-12 weeks old.

4 Answers

Most Helpful Answer

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Answered By Dr. Massimo Orioles, DVM, Cert AVP, MRCVS

Veterinarian

Published on February 10th, 2019

This is usually dietary related and if no other signs are present at this stage, the problem could be managed by start feeding with a bland diet based on boiled chicken and rice in small portion every 6 hours for the following 48hours. Then gradually reintroduce the normal diet over 5 days. I would definitively recommend a veterinary check up if the signs persist or you notice diarrhoea, vomiting, lethargy or inappetence. If that is the case antibiotics 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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5Pet Parents found this answer helpful

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    Answered By Jessica Desrosiers

    Veterinary Technician

    Published on January 27th, 2020

    Food allergy is possible, however some issues such as certain parasites (like giardia) can also sometimes require a second round of medication to fully address the issue. Adding in probiotics can also sometimes help with stool as well. Since the diarrhea is back and with blood in it, it would be best to recheck with your vet to see if Bruin needs another round of medication. I would also bring up potential allergy issues then (4 months is very young to have developed one, but not impossible). If medication isn't helping, your vet can help work on a plan of either an allergy med or a food trial to transition to the new food and see if there is an ingredient triggering it. While it's ideal to be on a large breed puppy food at this age, if there is an allergy, it's better to have that addressed with the right balanced diet that doesn't include that ingredient.

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    1Pet Parents found this answer helpful

  • Published on January 23rd, 2019

    This presentation could be dietary related and as a first approach, I would suggest to start feeding with a bland diet based on boiled chicken and rice in small portion every 6 hours for the following 48hours. Then gradually reintroduce the normal diet over 5 days. I would definitively recommend a veterinary check up if the signs persist or you notice diarrhoea, vomiting, lethargy or inappetence. 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

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    Answered By Jennifer Summerfield, DVM CPDT-KA

    Veterinarian, Certified Dog Trainer

    Published on August 10th, 2017

    Poor Bruce! If he's acting normal (eating and drinking fine, active and playful, etc.) it's not likely to be parvo or anything else that would be very serious. So you shouldn't need to rush to the ER tonight :) In a puppy this age, the most likely cause of a small amount of blood in the stool would be some type of intestinal parasites - hookworms, whipworms, coccidia, etc. I would recommend taking a fecal sample to your veterinarian tomorrow morning, if possible - he/she can examine it under the microscope to help diagnose the problem, and will prescribe appropriate medication to treat it depending on what is found.

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    1Pet Parents found this answer helpful

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