There is no such thing as migraine nausea to be alert to four diseases, migraine headache nausea may be due to high blood pressure, brain tumors, cerebrovascular disease, migraine and other causes. Migraine headache is a kind of vascular primary headache, and the two are not a kind of disease. 1. High blood pressure: when the blood pressure is elevated, especially when the elevation is large, it will easily cause the pressure inside the cerebral blood vessels to increase significantly, and it will constantly form stimulation to the meninges, which may cause migraine and nausea, and may be accompanied by dizziness, vomiting and other manifestations. 2. Brain tumor: if the patient suffers from intracranial tumor, the increase of tumor volume will lead to the pressure on local cerebrovascular and cerebral nerves, which will easily cause the increase of intracranial pressure, and may cause migraine and nausea, and the symptoms are more intense, and may be accompanied by projectile vomiting, optic papillae edema and other manifestations. 3. Cerebrovascular disease: It is common in cerebral hemorrhage, cerebral infarction and other diseases, which can easily lead to local cerebral nerve damage and brain dysfunction, which may cause migraine and nausea, and may be accompanied by neurological deficits such as unfavorable speech and difficulty in swallowing. 4. Migraine: when migraine attacks, can lead to one or both sides of the head paroxysmal pain, mainly vascular throbbing pain, may also be accompanied by nausea, vomiting, photophobia, photophobia, etc., mostly due to excessive late night, excessive mental tension and other reasons. If the symptoms of nausea and migraine continue to be unrelieved, you should consult a doctor as soon as possible, and after a clear diagnosis of the cause, you will be guided by a doctor to carry out the treatment.