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请问半夏有几种

更新时间: 2020-10-14 00:00:00     

半夏有四种,分别为:

1、生半夏:有毒,多作外用,用辅料制后,可降低或消除其毒性;

2、清半夏:可增强燥湿化痰作用;

3、姜半夏:可增强降逆止呕作用;

4、法半夏:燥湿化痰,多用于中成药中。

半夏有燥湿化痰、降逆止呕、消痞散结的功效,作用如下:

1、治疗痰多咳喘、胸脘痞闷及湿浊中阻所致的痰涎上泛等;

2、治疗痰饮中阻,气血不能上行所致的眩晕;

3、和胃降逆的作用,治疗恶心呕吐、反胃、梅核气及胃不和所致的失眠等;

4、半夏为末,醋调外敷,可治疗痰湿阻滞所致的痰核、痈疽、肿毒。

关键词: 请问

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