My puppy has diarrhea with mucus and yellow stool. Should I see a vet?
Updated On September 23rd, 2025
Pet's info: Dog | Pit Bull Terrier | Male | unneutered | 2 months and 21 days old | 17 lbs
My 11 week old American staffordshire terrier has had diarrhea for 5 days now and it came out of nowhere. He was on high protein kibble. For the last 2 days I've been feeding him a Bland chicken and rice diet. I have not seen an improvement and now there is tons of mucus in his stool and now I'm really concerned because this morning he pooped out just a small amount of mucus and very little bit of yellow stool. He's acting very normal, energy levels are high and he sleeps his normal schedule.
4 Answers
Most Helpful Answer
Published on August 14th, 2017
I would recommend a vet check up for Duke. He could have intestinal parasites such as hookworms, coccidia or giardia. None of these can be seen in the stool. The vet will likely get a stool sample to check for parasites or eggs under the microscope. Good luck and hope he's better soon.
1Pet Parents found this answer helpful
Related Answers from Veterinarians
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Published on October 3rd, 2017
There are so many things that can cause diarrhea and straining to defecate in dogs. There is no way for me to tell your for sure. The most common reasons for this in young dogs is internal parasites or a viral disease (ie: parvo). It could be due to dietary indiscretion if she ate something abnormal. I strongly recommend you get her to your vet for an exam. If she was an older dog my answer would be different. In puppies is not recommended to wait on diagnostics when having these issues even if they seem fine now. I am worried about the mucous and the reddish color to the stools. Please take her in for an exam and get the stool tested for parasites and her tested for parvo. Hope this helps. Best wishes.
1Pet Parents found this answer helpful
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Published on May 26th, 2017
Changes from diet can appear very fast, but if i had to guess she came with this from the breeder. i strongly recommend taking her to the vet today in order to get it treated, it could be a serious gastrointestinal infection as well.
1Pet Parents found this answer helpful
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Published on October 22nd, 2017
Hi there! Yes, quickly transitions to a new food can cause gastrointestinal upset which can present as diarrhea with mucous or even a bit of blood in the stool. Other causes may be intestinal parasites which are common in puppies. I would recommend adding plain canned pumpkin to his food to help firm up his stool and take a fecal sample to your veterinarian for testing soon. I hope this helps and thanks for using Petco Pet Education Center, formerly Petcoach!
1Pet Parents found this answer helpful
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