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My dog is throwing up yellow, still active, but won't eat. Why?

Updated On September 23rd, 2025

Pet's info: Dog | Chihuahua | Male | neutered | 10 years and 9 months old | 5 lbs

Our little pup is vomiting, yellow and slimy consistency. He still has bundles of energy, very happy playing with his toys and running around the house, but isn't eating and when he does, vomits shortly thereafter.

1 Answer

Most Helpful Answer

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Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on August 2nd, 2018

Thanks for using Petco Pet Education Center, formerly Petcoach! Vomiting can be observed with conditions such as gastroenteritis, pancreatitis, dietary indiscretion, gastrointestinal foreign body ingestion and obstruction, among other possibilities. Even if he appears to have good activity, I am afraid that he could be feeling sick. For this reason, I highly recommend that you have Peanut evaluated by a veterinarian for further assessment and treatment as soon as possible as I am afraid he is likely becoming dehydrated. They would be able to check for these possibilities and also check his hydration status and give him medications to make him feel better. Good luck!

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