What Can Cause Black Diarrhea In Dogs. Diet Change This could be a sudden change in your dogs food or introduction of a new food. The most common are intestinal parasites eg roundworms hookworms Giardia bacterial infections or overgrowth dietary indiscretion eg garbage ingestion or an abrupt diet change and inflammatory diseases eg diet intolerances or allergies. Other than that diarrhea is something that fixes itself. Diarrhoea in dogs can be caused by several underlying reasons.
In addition there are other symptoms such as vomiting blood pain in the pit of the liver etcetera. But here are the most common causes. The cause of diarrhea can be something as simple as an upset tummy or as severe as cancer. This stool looks like newborn baby poop and can have a black or greenish color. Other than that diarrhea is something that fixes itself. Dogs habit of putting various types of objects in their mouths can make them more prone to diarrhea and it can also be caused by improper poorly hygienic or poor quality dog food.
Then there should be further examination with the doctor.
It will explain the dietary cause and solution to this all-too-common in dogs. Black diarrhea or melena is caused when blood is being digested before it is passed. However if symptoms such as lethargy black or tarry stool blood in stool etc. Melena can be seen with conditions such as bleeding ulcers or foreign bodies. The immediate solution to diarrhoea in dogs is the same as it is in humans. In addition there are other symptoms such as vomiting blood pain in the pit of the liver etcetera.