小腿起红点很痒

来自吴剑波医生的专业解答，快打开看看是否又获得了新的知识点～

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三知健康

病情分析：1、腿上起红点，可以用手按压红点，如果按压不褪色，是皮下出血，即紫癜，但是紫癜一般不会很痒。如果按压褪色，很痒，可能是湿疹、过敏性皮炎或虫咬性皮炎。2、建议脱离可疑的过敏物质，痒的厉害可口服氯雷他定、左西替利嗪等抗过敏药，外涂炉甘石洗剂或地奈德乳膏、糠酸莫米松乳膏等激素类的药膏。

吴剑波

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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：前几天发现小腿上起了一些红点，很痒，有在增多，是什么原因引起的。