High blood pressure headache and vomiting, usually associated with increased blood pressure caused by increased intracranial pressure, vasospasm, or long-term use of drugs produced by the adverse effects. 1. Increased intracranial pressure: If blood pressure continues to rise, it may lead to a sustained increase in intracranial pressure, which can easily lead to intracranial pressure edema, at which time there will be headache, vomiting and other symptoms. 2. Vasospasm: blood pressure continues to increase, cerebral vasospasm occurs, resulting in fluctuations in cerebral vascular arteries, easy to cause dizziness, headache, nausea, vomiting. 3. Adverse drug reactions: once diagnosed, hypertension requires long-term medication, during which adverse reactions may occur, including headache, vomiting, nausea, etc., such as severe symptoms need to be discontinued. Hypertensive patients with headache, vomiting, may also be affected by emotional impact, cerebrovascular injury related. It is recommended to consult a doctor and analyze the cause under the guidance of a professional physician before treating the symptoms.