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My dog has yellow mucus diarrhea for days and won't eat. What to do?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | neutered | 9 months and 5 days old | 15 lbs

Diahreea for 4 days, no blood, just yellow mucus substance. He is on heartworm and up to date on all his shots. He has not been to a kennel. I've been giving yogurt and boiled chicken... eats with hesitation and drinks very little water. Is there medication or could this be something else.

1 Answer

Most Helpful Answer

Destini R. Holloway, DVM

Answered By Destini R. Holloway, DVM

Veterinarian

Published on March 11th, 2020

Poor guy. 4 days of loose stool despite a bland diet, indicates that there is something else going on underlying than just an upset stomach. Due to his age, I would suspect that either an intestinal parasite or a bacterial infection is causing this. He certainly needs to see a vet at this point to have his stool tested first, then get him treated based on what is found.
I would recommend continuing the boiled chicken and rice and add in a probiotic (Culturelle over the counter works well as well as Fortiflora online).
I hope that Hank is able to resolve his diarrhea soon! Best of luck and take care.
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