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Should I Worry if My Dog’s Stool Has Blood or Mucus?

Reviewed by Dr. Sarah Tasse, DVM on Tuesday, March 24, 2015
Posted March 30, 2015 in Dog Diseases & Conditions A-Z

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Seeing blood or mucus in your dog’s stool (poop) can be alarming, but what does it mean and should you be concerned?

What does it mean to see blood or mucus in your dog’s stool?
There are many reasons why a dog’s stool would have blood or mucus. It can indicate:

Unfortunately, seeing blood and mucus in your dog’s stool is only a symptom of something wrong. It doesn’t identify the actual cause of the problem.  

What should you do about blood or mucus in your dog’s stool?
With so many possible causes, ranging from the benign to the deadly, the best thing to do is to take your dog to the veterinarian. After performing a complete examination, your veterinarian will probably want a stool sample. Be sure to bring a fresh stool sample from your dog. Click here to view 7 hilariously wrong ways to collect a poop sample.

Of course, if your dog is not eating or drinking or appears lethargic, it is imperative that you bring him to the veterinarian immediately rather than waiting to collect a stool sample.

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Ruth has more than 15 years of experience in the veterinary industry as a companion animal veterinarian in private practice. Along with being a writer and media personality, she is also a founding member of IDEXX’s Pet Health Network team.