Angular cheilitis - 角度性唇炎
主要原因是慢性湿疹和唇部相关感染，营养不良通常不是导致因素。
relevance score : -100.0%
References该疾病既可单独出现，也可作为更广泛健康问题的一部分，例如维生素 B12 或铁缺乏导致的贫血，或局部感染，如疱疹和口腔念珠菌病。唇炎还可能因刺激性或过敏性物质的反应而发生，亦可能由阳光（actinic cheilitis）或某些药物（尤其是类维生素 A）引起。已报道的唇炎类型包括：angular、contact（allergic and irritant）、actinic、glandular、granulomatous、exfoliative 和 plasma cell cheilitis。
The disease may appear as an isolated condition or as part of certain systemic diseases/conditions (such as anemia due to vitamin B12 or iron deficiency) or local infections (e.g., herpes and oral candidiasis). Cheilitis can also be a symptom of a contact reaction to an irritant or allergen, or may be provoked by sun exposure (actinic cheilitis) or drug intake, especially retinoids. Generally, the forms most commonly reported in the literature are angular, contact (allergic and irritant), actinic, glandular, granulomatous, exfoliative and plasma cell cheilitis.
The disease may appear as an isolated condition or as part of certain systemic diseases/conditions (such as anemia due to vitamin B12 or iron deficiency) or local infections (e.g., herpes and oral candidiasis). Cheilitis can also be a symptom of a contact reaction to an irritant or allergen, or may be provoked by sun exposure (actinic cheilitis) or drug intake, especially retinoids. Generally, the forms most commonly reported in the literature are angular, contact (allergic and irritant), actinic, glandular, granulomatous, exfoliative and plasma cell cheilitis.
口角炎是一种相当常见的问题，估计约影响 0.7% 的人群。它最常见于 30 至 60 岁的成年人，在儿童中也相对常见。
口角炎可由感染或刺激引起。感染包括真菌和细菌。在发展中国家，铁和维生素缺乏可能是诱因。
○ 治疗 - 非处方药
将非处方抗生素软膏涂抹于病变部位，每日两次，连续使用数天。嘴唇反复出现的湿疹常是嘴唇干裂的主要原因，同时治疗湿疹可预防复发。在发达国家，营养不良很少是导致因素。
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