An 18 year old boy has been suffering from headaches, dizziness and vomiting for the past two days, and his blood pressure is high.

18-year-old boy recently headache, dizziness and vomiting, blood pressure measurement of high blood pressure is generally high blood pressure caused by symptoms, usually with genetic, environmental factors, obesity, and other disease factors, and so on.
1. Heredity: If both parents have high blood pressure, their children are more likely to suffer from high blood pressure, which may cause headaches, dizziness, vomiting symptoms.
2. Environmental factors: If the daily diet is poor, like to eat heavy food, or long-term high mental tension, long-term smoking, etc., may cause high blood pressure.
3. Obesity: if the patient is too obese, it will also increase the risk of hypertension, and should actively control the weight, daily reasonable diet.
4. Disease factors: such as glomerulonephritis, congenital kidney disease, cervical spondylosis, hyperthyroidism, aortic valve insufficiency, craniocerebral lesions, etc., these diseases may cause secondary hypertension, which will make the patient to have headache, dizziness, vomiting symptoms.
In addition to the above factors, other causes cannot be ruled out, and it is recommended to consult a doctor for standardized treatment in time.