Black stool in dogs may be caused by food problems, internal parasite infection, intestinal bleeding and other reasons. If there are no other abnormalities in the dog, then consider the food issue. Generally, the dog will return to normal after stopping feeding this kind of food. If you see worms in your dog's vomit and feces, it is considered to be caused by internal parasite infection, and your dog needs to be dewormed in time. If your dog has black tar-like stools, you should consider gastrointestinal bleeding. Fresh blood will turn black after being digested by the digestive system, such as scratches by foreign objects, bacterial or viral infections, etc. Since the condition is serious, it is recommended to seek medical treatment as soon as possible.

1. Food issues

If the owner has given the dog black or dark-colored food recently, it may cause the dog to have black stools. This is normal, and pet owners don’t need to worry too much. After they stop feeding their dogs this type of food, their bowel movements will return to normal. In addition, owners should pay more attention to whether the dog's diet is healthy and try to feed the dog dog food. If the dog is often fed some food that is not easy to digest, the dog will suffer from indigestion and will have black stools.

2. Internal parasite infection

If the owner does not deworm the dog for a long time, and the dog is infected with internal parasites such as hookworm and coccidia, the dog’s intestines will become infected. The tract is damaged and bleeds, resulting in black loose stools. At the same time, dogs may also show symptoms such as loss of appetite, diarrhea, weight loss, and vomiting, and sometimes worms can be seen in the dog’s vomit and feces. At this time, you need to consult a pet doctor as soon as possible and use anti-inflammatory drugs and internal anthelmintic drugs for treatment.

3. Intestinal bleeding

When a dog bleeds in the intestine, black feces will adhere to the surface of the feces after gastrointestinal peristalsis and oxidation of the blood sample. At the same time, the dog will also It will be accompanied by listlessness and loss of appetite. Usually the causes of intestinal bleeding in dogs include foreign body scratches, bacterial or viral infections, and owners should take their dogs to the pet hospital immediately for diagnosis.