The reasons why dogs have blood in their stools:

1. When the dog eats broken bones or fish bones, the intestines are accidentally scratched, which will cause the dog to Bleeding in the stool. If there is not a lot of bleeding and it is not serious, the dog can usually recover on its own within a day or two. If a dog has blood in its stool for several days in a row, it is more dangerous. It is recommended that the owner take the dog to the doctor in time.

2. If the dog is infected with parasites, it may also cause blood in the stool. The best way to prevent this is to deworm your dog regularly.

3. When the dog’s stool is bloody and smells fishy, ​​accompanied by vomiting, diarrhea, etc., the dog is likely to be infected with microorganisms.

4. Dogs eat a lot of miscellaneous food. When they eat cold or irritating food, it will lead to acute enteritis and blood in the dog's stool.

Medicine that dogs should take if they have blood in their stools:

1. If the dog is infected with parasites, it is recommended to feed the dog anthelmintics for deworming.

2. If enteritis is caused by a too complex diet, it is recommended to take gentamicin plus probiotics.

3. If the dog has parvovirus, it is recommended that the owner take the dog to the doctor in time and take medication under the guidance of the doctor.