When there is a cough, it is easy to irritate the throat and cause nausea, dryness and vomiting, so it is necessary to treat the cough actively with coughing and phlegm-relieving drugs. If nausea and vomiting do not improve and continue to worsen, you should also use digestive and antiemetic drugs, such as gastrofacial, domperidone or mosapride. Repeated occurrence of these symptoms does not improve, you need to go to the hospital for examination first.