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My dog is throwing up thick yellow mucus for hours. What's wrong?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Female | spayed | 50 lbs

Our dog has been throwing up thick, yellow mucus for the past several hours

2 Answers

Most Helpful Answer

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Answered By David Elbeze, DVM, MRCVS

Veterinarian

Published on February 25th, 2019

It sounds as QB 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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Other Answers

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    Answered By Ricardo Fernandez, DVM

    Veterinarian, Veterinary Oncology Resident

    Published on August 23rd, 2017

    Hi there! Thanks for using Petco Pet Education Center, formerly Petcoach! Vomiting can be caused by several conditions including dietary indiscretion, pancreatitis, foreign body ingestion and obstruction, inflammatory bowel disease, among many other conditions. I recommend that you have him evaluated by a veterinarian as acute severe vomiting can be concerning for serious conditions like the ones mentioned above. Have water available at all times to try to avoid dehydration. Good luck!

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