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Why does my newly adopted dog have yellow, soft, runny stools?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | spayed | 12 lbs

We adopted Goldie a week ago, and would like to know if we should be concerned about her stools. They have been yellow and soft/runny, though today and yesterday she poops a normal stool, followed by the abnormal. We currently feed her after a brief walk in the morning and 30 min before a longer walk in the evening. These are the only times she pees/poops. We were wondering if it would be better to feed her after the evening walk. We try to get her to potty in the yard before bed, but she won’t.

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1 Answer

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Answered By Laura Johnson VMD

Veterinarian

Published on June 14th, 2018

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! Sometimes activity will loosen the stool, so you can try to feed her after the walk. But sometimes dogs will want to poop after eating. I would have a stool sample checked by your Vet for intestinal parasites since she is new to your house. Other causes for loose stool are food/allergy or intolerance to her food especially fi this is different than she was used to and stress of a new home. I would consider a probiotic like Purina fortiflora. If the stool sample is negative and the stool doesn't improve over 2 weeks with the probiotic, I would change her food as that is likely the cause. Good luck!

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