因颅外血管的扩张而产生特征性跳动性头痛,其血管原性机制已提出数十年。但因偏头痛发作时病人面色苍白及伴有颞动脉炎病人并不发生呕吐和羞明,因而这一假说是有争议的。有人发现在偏头痛发作期49/50的病人疼痛由脑膜而产生。这一部位可解释偏头痛的主要症状,如头痛、呕吐和羞明。这些症状与脑膜炎的症状相似。 Due to the expansion of extracranial blood vessels produce characteristic beating headache, the vasogenic mechanism has been proposed for decades. However, the hypothesis is controversial because the patient is pale and accompanied by temporal arteritis and does not vomit and bemoan because of a migraine attack. It was found that in the migraine attack 49/50 patients with pain caused by the meninges. This area can explain the main symptoms of migraine headache, vomiting and shame. These symptoms are similar to the symptoms of meningitis.