Why is my 12-week puppy constantly pooping thin, stringy stool?
Updated On September 23rd, 2025
Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | unspayed | 3 lbs
My puppy is around 12 weeks old and is pooping nearly constantly and sometimes even without stopping, like she doesnt even know shes doing it. Her poo is coming out thin, short, soft and stringy and im not sure whats causing this but its making potty training nearly impossible. She even goes in her crate and sometimes when shes playing with us on our lap.
4 Answers
Most Helpful Answer
Published on June 19th, 2017
She could have a parasite or an infection causing the problem. The best thing would be to have her examined by a vet to determine the exact cause. Your vet can test a stool sample for parasites and then prescribe medications to treat the diarrhea. She may need to a dewormer, antibiotic, or other medications. You could also add a probiotic to her diet and feed a bland diet of boiled chicken and white rice for a few days and see if that helps.
1Pet Parents found this answer helpful
Related Answers from Veterinarians
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Published on January 5th, 2018
At 12 weeks old you do. It have to mix water in his food and he can have water any time. If you are house training, it does help to limit it before bed though. The loose stool can be from stress of a new Home and environment or parasites or a viral infection. I would have your check a stool sample to see if medication is needed to clear this problem
1Pet Parents found this answer helpful
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Published on February 18th, 2019
There are many causes for loose stool, from parasites to Parvo. I recommend to have Rosie see her veterinarian today to have some tests run on the stool to determine the cause. Feeding Rosie a bland diet of boiled white meat chicken and plain boiled white rice can also help but it is unlikely to address the underlying cause. I hope this is helpful and please feel free to post any additional questions.
1Pet Parents found this answer helpful
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Published on December 1st, 2017
Submit a stool sample to your veterinarian to diagnose intestinal parasites or bacterial overgrowth. Consider a 12-24 hour fast followed by a bland diet in small, frequent amounts until the stool is normal then transition slowly back to the regular diet.
1Pet Parents found this answer helpful
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