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Why is my dog vomiting and pooping blood after recent vaccinations?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | unspayed | 1 year and 7 months old | 9.7 lbs

Hi My dog has afever and an infection the doctor gave her vaccinations , but now she’s vomiting and pooping blood What to do ? Please

1 Answer

Most Helpful Answer

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Answered By Andrea M. Brodie, DVM

Veterinarian

Published on April 13th, 2018

She needs to be taken back to your vet. There is a chance that she is suffering from a parvovirus infection or a disease called hemorrhagic gastroenteritis. She will likely need blood work, iv fluids and antibiotic medication as well as pain medication.

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