There are many causes of gastroenteritis in dogs. If you have not been vaccinated, it is recommended that you first check for infectious diseases such as distemper, microscopic and coronavirus, and parasitic diseases. If the vaccines and deworming are complete, you need to consider whether the diet is reasonable and whether you have eaten any foreign bodies. Vomiting and diarrhoea are commonly associated with gastroenteritis, and many diseases can cause vomiting and diarrhoea.
