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苍耳子的毒性与中毒救治

ว 2026-09-10 09:12:35ที่ https://www.wiki8.cn/cangerzi_22973/เ admin

苍耳子为有毒中药,其毒性成分主要为苍耳子苷等,是一种细胞原浆毒,可损害心、肝、肾等内脏实质细胞,并可因毛细血管渗透性增加而引起全身广泛出血,还作用于消化及神经系统,最终导致呼吸和循环衰竭。

苍耳子中毒的潜伏期因食用部位不同而异:直接生食者快则4~6小时,慢则2~3天;食幼芽者1~3天发病;食苍耳子饼者10~20小时发病。中毒表现轻者为乏力、头晕、头痛、精神萎靡、恶心呕吐、食欲减退、面色潮红、发热等;严重者出现烦躁不安或嗜睡、黄疸、肝区痛、肝大、出血倾向、颈强直、血压下降、尿闭、休克,甚至肝性脑病。

中毒救治要点:可用1:5000高锰酸钾洗胃,硫酸镁导泻;静脉输液,给予葡萄糖醛酸和大量维生素C、B1、B12等保肝药物;对症治疗,有出血者给予维生素K等止血剂,必要时输血,呼吸困难者给予吸氧和呼吸兴奋剂。临床使用苍耳子必须严格炮制,控制剂量,血虚头痛者不宜服用。

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