身上痘痘

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健康之路

病情分析：身上长痘痘的原因可能有以下几种：1、如果周围人身上也长了痘痘，并伴有明显的瘙痒感，这可能与疥虫叮咬有关。2、如果仅为患者身上长痘痘，伴红肿，瘙痒，则痤疮的可能性较大。

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问题描述：最近一段时间，儿子的身上长了痘痘，请问身上长痘痘是什么原因？