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Why is my dog still having diarrhea, vomiting, and bloody stool?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Female | spayed | 40 lbs

Hi, I adopted my 5/6 yr old pit bull about 2 months ago. She was rescued by an older couple who couldn't keep her, the people they got her from had starved and possibly abused her. Well I've brought her to multiple vets because since the older couple took her in (3-4 months ago) she's been having bad diarrhea every few hours. Each vets office put her on the same medication and prescription foods and nothing seems to be helping. And she is also vomiting occasionally &I having light blood in stool

2 Answers

Most Helpful Answer

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Answered By Christie Long, DVM

Veterinarian, Certified Veterinary Acupuncturist

Published on April 3rd, 2017

Clearly the treatments that Panda is receiving are not addressing the true cause of her problems. She needs to be tested for intestinal parasites with a simple fecal test - parasites are a common cause of diarrhea and even vomiting and bloody stool. If there are no parasites, she should have blood work to determine if there is an internal problem, such as liver disease or pancreatitis, that could be causing the diarrhea. Ultimately, additional testing such as an abdominal ultrasound, may be required to find the exact cause. Ultrasound can suggest problems like inflammatory bowel disease.

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    Answered By Destini R. Holloway, DVM

    Veterinarian

    Published on June 28th, 2017

    If she is not fully vaccinated (as a puppy) then she may have contracted parvovirus. Another possible cause is stress induced hemorrhagic gastroenteritis (bloody stool and vomiting) or intestinal parasites. I would highly recommend taking Roxy in to your vet to get a fecal test (to check for intestinal parasites) and a parvovirus test (especially if she is also not eating well and lethargic). Based on the results of her tests then the vet can treat her for the underlying cause of her symptoms. Even if her tests come back negative, she still needs symptomatic treatment (anti-vomit medication, antibiotics and probiotics) to treat her and get her back to stable status. I hope that your new pet Roxy gets well soon. Take care and best wishes.

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