There are several reasons why dogs have blood in their stools, and there is even pseudo-hematonia.

Jul 26,2025
4Min

Dogs have blood in their stools or have improper diet/accidental eating

① Unreasonable diet causes constipation and anal fissure and bleeding. In this case, you should adjust your diet and eat more vegetables.

② Intestinal damage caused by accidental ingestion of foreign bodies. This situation is usually accompanied by vomiting, loss of appetite, etc. It is recommended that the owner investigate what he accidentally ingested. If it is a sharp and dangerous object such as a bone that may scratch or puncture the intestines and stomach, take it to the hospital immediately for X-ray examination. If it is an item/food that does not risk scratching the stomach and intestines, you can observe it for a period of time and it will usually recover on its own.

Dogs have blood in their stools or viral infections

Canine parvovirus and canine corona are common intestinal infectious diseases in dogs. Symptoms of vomiting and diarrhea are common in the early stages of infection, and in severe cases, bleeding may occur. The early stage of gastroenteritis-type canine distemper also has symptoms of black stools. If the owner notices these symptoms, he should be sent to the doctor immediately for treatment without delaying the condition.

Dogs have blood in their stools or parasites

Dogs may also have blood in their stools if they are infected with internal parasites, especially a parasite called "coccidia". Coccidia is very easily contagious and easy to relapse. The most troublesome thing is that general broad-spectrum anthelmintic drugs in the body cannot kill coccidia, so special anthelmintic drugs for coccidia need to be used. If the scavenger finds that your dog has soft, jelly-like stools with some blood in them, nine times out of ten, he is infected with coccidia. At this time, anthelmintic drugs should be used immediately to avoid causing more serious intestinal problems.

Dog blood in the stool or false blood in the stool

When the dog’s stool is blood red, it is not necessarily blood in the stool. It may be that he has recently eaten tomatoes or watermelon and other foods, resulting in similar blood in the stool Or there is blood in the stool... There is no need to worry about this category, but the poop scraper also needs to observe carefully to avoid being misled into thinking that the dog is fine and ignoring that the dog may actually have physical abnormalities.

Recommended home medication:

American Buddy D-800 (anthelmintic drug).
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