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My puppy is vomiting, lethargic, and pooping blood. What's wrong?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | 9 months and 13 days old | 40 lbs

My dog has days without eating,and standing just still,being tired and letargic,he just drinks and what he eats or drinks he vomits and today pooped blood.His name is Rexi and he is 9months,he is paator belge.Will he die?We are so concerned.We sent him to the veternier but he is still in a bad condition.

3 Answers

Most Helpful Answer

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Answered By David Elbeze, DVM, MRCVS

Veterinarian

Published on August 18th, 2017

It sounds as Rexi 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 him back to the vet the first chance you get, he will need to have a blood test done and possibly also an xray, if the vet thinks it's a simple gastrointestinal infection he will need an anti vomiting injection, antibiotics and a special food for a few days in order to get better. if it's something more serious, he should stay hospitalized ate the vet's.

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Other Answers

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    Answered By David Elbeze, DVM, MRCVS

    Veterinarian

    Published on June 16th, 2019

    It sounds as Copper 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 him to the vet the first chance you get, he will need to be checked first, if the vet thinks it's a simple gastrointestinal infection he will need an anti vomiting injection, antibiotics and a special food for a few days in order to get better.

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    Answered By Lauren Jones VMD

    Veterinarian

    Published on May 27th, 2017

    Diaz is adorable and I'm sorry to hear that he isn't feeling well. Frequent vomiting - particularly now that there is also blood - is concerning in a young puppy. Possible causes of Diaz's vomiting and lethargy include parvovirus (less likely if he has been fully vaccinated), foreign body intestinal obstruction, gastrointestinal virus, toxin ingestion, among others. Diaz should be examined by a vet urgently because he may also have ulcers or erosions in in his stomach or esophagus, leading to the bloody vomit. Until you can get to the vet, try withholding food for 8-12 hours, then offer boiled white meat chicken and white rice as a bland diet. You can feed this for several days, then gradually mix in his normal diet over another 5-7 days. I hope that all goes well!

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