If you have headache with nausea and vomiting for no reason, you must pay attention to consider the problem of cranial hypertension, you need to go to the hospital for neurology examination, do CT examination of the head, you must exclude cerebral hemorrhage, subarachnoid hemorrhage, you need to measure blood pressure, elevated blood pressure can also be dangerous with headache, nausea and vomiting. If you usually have migraine, CT is not a problem can also be considered migraine, neurological headache attacks, you can give acupuncture treatment, oral pain medication, if neither, you can also consider the headache, nausea, vomiting caused by a cold and fever, you need to check the blood analysis.