瘀点

来自妙佑医疗国际员工
Aug. 19, 2026

瘀点是皮肤上形成的针尖状圆形斑点。瘀点由出血引起，因此呈红色、棕色或紫色。这些小斑点常常成群结队形成，看起来可能像皮疹。通常摸起来平坦，按上去不褪色。有时在口腔内表面或眼睑上出现。

瘀点很常见，可以由多种不同状况引起。有些瘀点可能很严重。

微血管（称为毛细血管）将您动脉的最小部分连接到您静脉的最小部分。毛细血管出血时会出现瘀点，血液渗入皮肤。出血可能由下列原因引起：

  • 持续用力
  • 药物
  • 医疗状况

持续用力

面部、颈部和胸部的小斑点可能是由咳嗽、呕吐、分娩或举重物而导致的长时间用力所致。

药物

瘀点可能是由于服用某些类型的药物所致，包括苯妥英纳（Cerebyx、Dilantin-125 等）、青霉素和奎宁（Qualaquin）。

传染病

瘀点可能由真菌、病毒或细菌感染引起。这些类型感染的示例包括：

其他医疗状况

瘀点可能由其他医疗状况引起。示例包括：

导致皮肤上出现小圆点（称为瘀点）的某些原因可能很严重。如果您全身出现瘀点，或不能确定瘀点原因，请尽快联系您的医护团队成员。
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