The causes of nausea and dry vomiting after waking up in the morning are: 1, chronic pharyngitis, which can be accompanied by foreign body sensation in the throat, throat obstruction, dry vomiting or coughing due to throat secretions stimulating the throat wall, especially the most obvious symptoms in the morning. 2, women should consider the increase in estrogen levels in early pregnancy caused by further medical examination, such as human chorionic gonadotropin to clarify whether pregnancy. 3, irregular life, such as staying up late, excessive 4, digestive system diseases, such as chronic gastritis, peptic ulcer, gastroesophageal reflux disease, can be accompanied by epigastric discomfort, acid reflux, heartburn, abdominal pain and other symptoms. 5, no food in the stomach in the morning, while the stomach acid is high, a large amount of stomach acid to stimulate the gastric mucosa, resulting in dry vomiting, nausea and other symptoms, you can take a glass of warm water in the morning to improve the symptoms. 6 The symptoms are caused by high blood pressure, which can be accompanied by dizziness and headache.