用苍耳嫩叶捣碎后敷到了膝盖上

来自姜洋医生的专业解答，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：苍耳叶子外敷后出现的局部红肿水泡，考虑刺激或者对该叶过敏导致。

姜洋

副主任医师

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：用苍耳嫩叶捣碎后敷到了膝盖上，后来红肿起了小泡，有瘙痒症状，请问用什么药