Dogs coughing and vomiting white sticky secretions may be caused by gastrointestinal diseases, respiratory infections, parvovirus, tracheitis, colds, etc. It is best to go to the hospital for examination first to eliminate parvovirus and other infectious diseases. If it is a common cold or gastrointestinal discomfort, you can take relevant drugs for treatment, but you need to pay more attention to your diet. If it is another serious disease, you need to go to the hospital for examination and treatment, and pay attention to environmental disinfection. Infectious diseases need to be kept in isolation from healthy dogs.