踏入夏季,随着气温逐渐升高,蚊虫也愈来愈活跃,市民在户外极易被叮咬,若处理不当,严重的可致毁容甚至危及性命。
近日,湖南有女生遭隐翅虫袭击,她用手轻轻搓死,结果翌日眼皮竟脓肿烧伤。原来,隐翅虫体内含pH值1-2的酸性液体,属强酸程度,当人体沾上就会出现红斑、脓疱等。
隐翅虫又叫青腰虫、飞蚂蚁,其头、翅和腹尾呈黑色,前胸、腹部及足为暗橘黄色,形似大蚂蚁。隐翅虫体内含pH值1-2的酸性液体,属于强酸范围,当人体沾上其毒液就会被“烧伤”,出现条索状、点状水肿性红斑,或者出现丘疹、水疱、脓疱甚至灼痛、瘙痒等症状。
隐翅虫体内含pH值1-2的酸性液体。(微博@头条新闻)
原来,不少人都曾被隐翅虫袭击“中招”。有网民称,眼睛下方曾经爬过一隻隐翅虫,原以为是小虫子,后来因眼睛变肿才到医院求诊,当时脸上有一大块被腐蚀皮肤,“特别吓人”。
有网民称,隐翅虫曾在其颈部爬过,结果翌日颈后开始疼痛,“就跟烫伤似的,火辣辣的疼,抹了药膏还是疼,好痛苦”。
《人民日报》健康客户端报道,北京友谊医院、北京热带医学研究所主任医师邹洋介绍,隐翅虫的虫体各段都含有毒素,是一种强酸性质的毒汁,夜间飞入房间落在人体表面分泌毒汁,或虫体被拍碎后释放出毒液,2至4小时即可引起皮炎,也称为隐翅虫皮炎。
邹洋介绍,隐翅虫引发皮炎有明显季节性,一般6月开始出现,8至9月是发病高峰期,10月份后逐渐减少。多发于气温高、湿度大、降雨量多、气压低的季节。
接触到隐翅虫分泌物后,通常会经历以下的病程变化,首先会有烧灼感,皮肤发红、渐至紫红色,出现大小不等的灰白色脓疱,之后会扩展成片或条状脓疱、疱破、结痂,癒后受损部位皮肤留下褐色斑痕。
邹洋提醒,发现隐翅虫时不要用手拍打、揉搓,应轻轻吹走或抖落。若不慎接触到隐翅虫体液,应及时用肥皂反覆清洗受损皮肤,用4%苏打溶液或10%的氨水反覆擦抹受损皮肤,中和毒素。出现疱疹后,镇痛止痒,採用消炎收敛性药物减轻刺激感,严重者要及时到医院皮肤科就诊。
此外,根据江西省南昌市疾控中心的研究,还可採取以下措施预防隐翅虫危害,包括清除房屋四周的朽木、废料、杂草;不要在室内堆放废旧物品,保持室内清洁、整齐;夜晚关灯睡觉,睡觉前检查床上是否有隐翅虫;尽量採取各种措施,如点灭蚊器、擦花露水等;一旦发现家里有隐翅虫,也可适当喷洒气雾杀虫剂。
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