痈(英语:Carbuncle)是一种金黄色葡萄球菌引起的皮肤感染。典型的痈由两个或更多的底部相通的疖组成。[1]疖是疼痛的红色硬结,有黄色脓头,脓头破裂后排出脓液及坏死组织。痈比疖大,常累及皮肤深层,并有多个排脓的开口。常出现在皮肤的毛发区或易受摩擦的地区,例如颈背、腋窝和臀部。单纯的疖经肥皂水洗后用热敷、湿敷等治疗可消散。痈可切开引流,随后用抗生素治疗。经过治疗后,卫生状况若无改善,痈仍可复发。
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