Nausea and vomiting on an empty stomach may be related to improper diet, chronic pharyngitis, and digestive system diseases. If necessary, you need to go to the hospital for gastroscopy in time to identify the cause and treat the symptoms. Common causes and treatment 1, improper diet: eating too much irritating food, such as spicy, greasy, too cold or too hot food, coffee, strong tea, etc., so that the gastric mucosa is damaged, such symptoms can occur, usually the diet should pay attention to chew slowly, eat on time, light diet; 2, chronic pharyngitis: the main symptoms of chronic pharyngitis is generally dry throat, sore throat, dry cough, nausea, vomiting, this nausea, vomiting are mostly seen in the morning after waking up. Patients can use compound borax solution, furacilin solution gargle under the guidance of a doctor to keep the oropharynx clean, or contain tablets, such as watermelon cream tablets, mint tablets, etc.; 3, digestive system diseases: may be gastritis, esophagitis, gastric ulcer due to excessive secretion of stomach acid when fasting leads to nausea, want to vomit, you can take oral drugs to inhibit the secretion of stomach acid under the guidance of a doctor to help relieve symptoms, such as If the symptoms are serious, you need to go to the hospital for gastroscopy in time to identify the cause and treat the cause. Caution: Develop good eating and living habits, avoid cold, spicy, greasy and stimulating food, eat less and more meals, avoid overeating and eat easily digestible food.