Dog vomiting is generally caused by improper diet, indigestion, gastrointestinal diseases, internal parasites, pyometra, chronic renal failure, or viral infection. It is necessary to observe whether the dog has other abnormalities. If If your dog has diarrhea, poor energy, loss of appetite, blood in the stool, etc., it is best to send it to the pet hospital immediately for examination and treatment; if the dog has no other abnormalities, you can feed it some probiotics to regulate its intestines.