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My puppy has yellow, slimy diarrhea. When should I see a vet?

Updated On September 23rd, 2025

Pet's info: Dog | German Shepherd | Male | unneutered | 2 months and 19 days old | 30 lbs

My puppys has diarrhea and its yellow it's been like that since yesterday but now instead of having yellow poop shape it's just slimy

1 Answer

Most Helpful Answer

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Answered By Jessica Keay, DVM

Veterinarian

Published on August 7th, 2019

I am sorry to hear about your puppy! I would recommend scheduling an examination at a veterinarian for Bolt and bringing a sample of the stool with you. One of the most common causes of diarrhea in puppies is intestinal parasites such as roundworms, hookworms, and whipworms, as well as Coccidia and Giardia. We don't normally see the parasites with the naked eye, so tests in the vet clinic must be done to test for the parasites. If your puppy becomes lethargic, starts vomiting, or has bloody diarrhea these can be signs of a virus called Parvovirus and the puppy should be seen by the vet right away.

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