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My dog is vomiting blood and has bloody diarrhea. Is it serious?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Female | spayed | 26 lbs

My dog has always had a sensitive stomach, but today she has been vomited 5 times, usually just frothy mucus but now there’s a streak of blood in her vomit and she has pooped bright red blood and mucus.

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1 Answer

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Answered By David Elbeze, DVM, MRCVS

Veterinarian

Published on May 10th, 2018

It sounds as Chili is suffering from a gastrointestinal condition, possibly an infection. it could also be due to ingestion of a foreign body material. i would recommend taking her to the vet the first chance you get, she will need to be checked first, if the vet thinks it's a simple gastrointestinal infection she will need an anti vomiting injection, antibiotics and a special food for a few days in order to get better. if the vet thinks it is more serious she will need a blood test and possibly an ultrasound in order to find out what is wrong.

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