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来自美国的研究报道，鼻用利多卡因可使约50％病人迅速而有效地减轻偏头痛。在这项研究中，急性偏头痛的57例病人接受4％利多卡因0．5～1ml鼻内滴剂，与34例使用安慰剂的患者作对照，如果病人头痛的严重程度评分大于2（8～10分属于严重）就需接受第二次用药。在可评估的81例病
Studies from the United States reported that nasal lidocaine causes migraine relief in about 50% of patients quickly and effectively. In this study, 57 patients with acute migraines received intranasal 0.5% to 1ml intranasal drops of 4% lidocaine against 34 patients who received placebo. Patients who had a headache severity score greater than 2 8 to 10 points are serious) need to accept the second medication. Among the 81 evaluable diseases