Getting up in the morning with a headache, nausea, want to vomit is usually caused by the following reasons: 1, high blood pressure. Mostly seen in middle-aged and elderly people, hypertension patients will appear nausea, vomiting, headache, dizziness symptoms, especially in the morning just get up when the blood pressure is particularly easy to rise. 2, gastrointestinal cold. It is a kind of disease in which the cold is accompanied by gastrointestinal dysfunction, which is usually caused by cold or bacterial or viral infection, and mainly focuses on gastrointestinal reaction, manifesting as abdominal pain, diarrhea, nausea, vomiting, accompanied by dizziness, fever, malaise, chills and other symptoms.3. Migraine. Serious lack of sleep or poor quality morning will trigger pain, in addition to work tension and pressure can also lead to migraine. 4, gastrointestinal dysfunction. If you are in a state of long-term mental tension, anxiety or emotional instability, it will stimulate the cerebral cortex and lead to gastrointestinal disorders.