Causes of dog diarrhea:

1. Gastroenteritis caused by bacterial infection can cause diarrhea in dogs.

2. Give the dog human food. If a dog is fed milk, it will have symptoms such as diarrhea, vomiting or skin inflammation.

3. The feeding water is inappropriate. Giving your dog unclean water or water that is too cold can cause diarrhea.

4. The dog’s food is too messy or overfed, causing the dog to be unable to absorb and digest, causing vomiting and diarrhea.

Methods to prevent diarrhea in dogs:

1. Don’t let it sleep on the floor. Sleeping on the floor can easily lead to colds and diarrhea. Prepare a kennel for your dog to reduce the chance of diarrhea.

2. Regularly deworm. Dogs infected with parasites will have symptoms such as loss of appetite, vomiting, and diarrhea. Owners must do a good job of deworming their dogs.

3. Feed regularly. Feed regularly and quantitatively, and take away uneaten food to prevent dogs from being picky eaters and reduce diarrhea caused by overeating.

4. Don’t let your dog eat foreign objects. Expired food, toys and other items can cause dogs to suffer from acute gastroenteritis and vomiting.

5. Don’t change dog food casually. If you change your dog's staple food at will, the most obvious reaction if you encounter a gastrointestinal problem is diarrhea.