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My dog has yellow poop with mucus and is straining. When to worry?

Updated On September 23rd, 2025

Pet's info: Dog | Labrador Retriever | Female | spayed | 1 year and 6 months old | 78 lbs

Since Saturday my chocolate lab has been having more frequent bowel movements although at first I thought she was constipated because she was straining, but that doesn’t seem to be the case. Tonight when she went I decided to look and found that it was yellow looking in color and had mucus. Didn’t know if I should take her to vet or be concerned.

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1 Answer

Most Helpful Answer

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Answered By Kevin Sanada, DVM

Veterinarian

Published on March 5th, 2018

The yellow color is not too concerning and the stool still appears rather firm, so I wouldn't be too worried. The signs of straining and mucous tell me that something is bothering her colon. This could be something she ate, an infection, or other disease. It doesn't appear to be serious right now, but it's always possible that it could be the start of something serious. If Jenny has any of the following, then she should see a vet: 1) Blood in diarrhea 2) Very watery diarrhea 3) Starts acting very depressed 4) Stops eating or drinking for longer than 24 hours. You can possibly help by feeding bland food (boneless chicken and rice is good). Feed small portions (1 cup or less) three times a day. You can also add probiotics to the food (can get this at the pet store), which has demonstrated some efficacy for improving diarrhea. Ensure fresh, clean water is always available. If a week goes by and the stool is still abnormal, then it would be best to take Jenny into the vet for an exam. I hope this helps and Jenny gets better soon.

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