Diarrhea in a newly purchased dog may be caused by a viral disease caused by the dog's improper diet and stress response. First of all, if the owner changes the dog's food when the dog arrives at a new home, it may cause the dog to have diarrhea. It is recommended that the owner give the dog an appropriate amount of probiotics and use the 7-day food change method to change the dog's food. .

Dogs will have a stress response when they first arrive in a new environment, resulting in reduced resistance. At this time, the dog is more likely to be infected with viral diseases. When the dog is infected with the virus, the above symptoms will appear. It is recommended to conduct a test paper test. A positive result requires treatment with antiviral drugs.