

Blood in your dog’s stool is never a good sign. It’s something that can be concerning and should be addressed. But what does this mean?

Key Takeaways
Blood in dog stool can be caused by various reasons, including dietary causes, infections, inflammatory conditions, and health issues.
Bloody diarrhea is considered a medical emergency that should be addressed as soon as possible.
It's treated mainly through medical management for infections and health issues, with surgery for cancerous causes.
What Does the Color of Dog Poop Tell Us?
Dog poop can mean different things, let’s go over all of the possible ones.
Brown. This is the gold standard. A rich, chocolate-brown color means your dog’s digestion is on track and their bile is doing its job.
Yellow or Mustard. A pale yellow stool might suggest issues with the liver, food passing too quickly, food intolerances, parasites, and even digestive upset.
Green. Green stool may indicate that the dog has eaten a lot of grass, consumed excessive amounts of green, leafy vegetables, has a rapid transit time, or has intestinal parasites.
Black or Tarry. This one may mean internal bleeding in the esophagus, stomach, or upper small intestine. It may also indicate severe infections, IBD, liver or kidney disease, toxins, or foreign objects.
Gray or Clay-Colored. If your dog’s poop looks dull gray or pale and chalky, it might suggest problems with the pancreas, liver, or gallbladder. These conditions can interfere with the absorption of nutrients.
Red Streaks or Bright Red. Fresh blood on the surface of the stool usually comes from the lower digestive tract, the colon, or the rectum. This indicates a serious medical concern.
Speckled or White Rice-Like Segments. These tiny white spots could actually be tapeworm segments. If you notice them moving or appearing regularly, a deworming treatment is likely needed.
Orange. Bright orange poop might be harmless. Perhaps your dog ate carrots or sweet potatoes. However, in some cases, it may be related to bile acid deficiency or liver issues.
Purple or Magenta. This is rare, but if your dog has consumed something like beets or red cabbage, it can cause their stool to turn purple. However, in extremely rare cases, unusual colors can indicate internal bleeding when combined with certain foods.

What Does Blood in Dog Stool Look Like?
This can present as hematochezia or melena, each with distinct meanings.
Hematochezia. This refers to bright red blood in the stool, liquid-red diarrhea, or jelly-like poop. Hematochezia often indicates bleeding in the lower digestive tract, such as the colon or rectum.
Melena. This presents as dark, tarry stools, suggesting bleeding in the upper digestive tract, like the stomach or small intestines.
Bloody Mucus. Blood mixed with mucus, often in diarrhea.
Pure Blood. In severe cases, your dog may pass blood or blood clots, indicating significant irritation.
Essentially, it means that your dog needs help. Blood in your dog’s poop indicates a serious medical issue that needs to be addressed immediately. While the causes may vary, the response should be the same: prompt vet care.
In this guide, we’re going to learn more about the blood in dog stool, including what it means, what causes it, and how we can help.
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