胳膊一划就出一道红印

来自黄捷医生的专业解答，快打开看看是否又获得了新的知识点～

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快速问医生

病情分析：你好，根据描述不是人工荨麻疹，搔抓刺激胳膊就会出现红色，这是一种人体的正常反应，与局部神经功能有关，人工荨麻疹典型表现是先出现红，然后再出现凸起风团，伴有瘙痒。

黄捷

主任医师

提示：本内容仅作参考，不能代替面诊，如有不适请尽快线下就医

问题描述：以前没有这种情况，现在发现胳膊拿指甲一划就是一道红印，但是并不凸起，只是红印，很久之后才能下去。请问这是什么情况曾经治疗情况和效果:不是人工性荨麻疹