There are many causes of diarrhea and vomiting in dogs. For example, colds, food poisoning, gastrointestinal diseases, parvovirus, and improper diet can all cause symptoms of diarrhea and vomiting in dogs. When you find that your dog has diarrhea and vomiting, you should check whether there are other complications and go to the hospital for examination and treatment in time. You need to pay more attention to your dog's diet to avoid gastrointestinal diseases. Feeding probiotics in appropriate amounts can help your dog regulate his stomach.