Headache, vomiting. What's going on?

Headache, vomiting can first consider whether the patient has migraine, migraine attack can show headache, nausea, vomiting, serious will show fear of light, fear of sound; secondly headache, vomiting, to observe whether the patient has hypertension, blood pressure can be monitored to make a clear diagnosis; if the blood pressure is too high, the patient can show hypertension encephalopathy caused by headache, nausea, vomiting is hypertension caused by increased intracranial pressure and performance; once again, the patient has headache and vomiting. It is suspected whether there are symptoms of neurological deficit, such as numbness, weakness or blurred vision of limbs. If there are the above symptoms, headache, nausea and vomiting caused by cerebrovascular disease shall be considered. If necessary, head CT can be examined; Finally, when the bleeding volume of cerebral hemorrhage is relatively large, the patient's intracranial pressure is relatively high, and headache and vomiting can also be shown. The diagnosis can be confirmed after head CT examination.