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Why is my dog pooping yellow liquid with mucus? What's wrong with him?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | unneutered

Hello my dog has been having a pooping issue lately where he poops a yellowish liquid and it has mucus coming out as well. I’m not sure what to do.

1 Answer

Most Helpful Answer

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Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on July 19th, 2018

Thanks for using Petco Pet Education Center, formerly Petcoach! Diarrhea can be observed with conditions such as colitis, gastroenteritis, dietary indiscretion, intestinal parasites, among many other possibilities. I recommend that you have Snickers evaluated by your veterinarian for further assessment and treatment. They may choose to check for parasites and to start medications for diarrhea depending on the results. Good luck! Hoping for a speedy recovery!

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