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My dog is vomiting bile, not eating, and has bloody urine and poop?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Male | unneutered | 2 years and 5 months old | 18 lbs

What the most probably disease according to this symptoms on my dog? Vomit ( yellowish - bile) No appetite Sticky -like poop Blood urine for one day only Profile: Last vaccination date on 5/12/2017 2 years old Male Mixed breed

4 Answers

Most Helpful Answer

Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on June 30th, 2018

Thanks for using Petco Pet Education Center, formerly Petcoach! I noticed in one of those pictures that his stool is really diarrhea and is black (which usually means a sign of bleeding). Vomiting and diarrhea can occur secondary to conditions such as inflammatory bowel disease, dietary indiscretion, parasites, among other possibilities. In addition, black stools can be indicative of bleeding into the small intestine or stomach which can happen secondary to an ulcer for instance. Bloody urine can be the result of an infection, stones, tumors, among other possibilities. I recommend that you have him evaluated by your veterinarian for further assessment and treatment. At the very least they can start him on medications to make him feel better and check his hydration status. In the meantime, keep water available at all times to try to prevent dehydration. Good luck and have a good day!

2Pet Parents found this answer helpful

Related Answers from Veterinarians

Answered By Amber W
Veterinarian, Certified Veterinary Acupuncturist
Published on September 26th, 2017
I'm sorry to hear your dog is sick! The black and bloody is very concerning to me. Black stool can indicated a gastrointestinal ulcer. Dogs with kidney problems or exposure to toxin can also have black or bloody stool and this can be an emergency. I recommend you take your dog to a veterinarian right away. She may need medication to heal an ulcer or blood work to determine if she has an internal medical issue.

Thanks for using Petco Pet Education Center, formerly Petcoach and I hope your dog is feeling better soon!
1Pet Parents found this answer helpful
Answered By Jenna Beyer, DVM, MBA, cVMA
Veterinarian, Certified Veterinary Acupuncturist
Published on March 17th, 2020
Black stools are caused by either something they ate or bleeding in the stomach or upper GI tract. I would recommend having Bruno examined by a vet, as bleeding could be serious and fatal if untreated.
1Pet Parents found this answer helpful
Answered By Dr. Dayna, DVM, CVA
Veterinarian, Certified Veterinary Acupuncturist
Published on January 4th, 2018
Black poop can be caused by something he ate, digested blood, and sometimes pepto bismol. I would watch closely for any nausea, vomiting, diarrhea, or another black stool. If any of these occur then he should be evaluated by a veterinarian as soon as possible. Best of luck and thank you for using Pet Coach.
1Pet Parents found this answer helpful

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