生地黄的临床应用及其用量探究

Clinical Application and Dosage of Unprocessed Rehmannia Root

通过整理古籍及现代医家临床经验,总结生地黄具有以下特点:1)汤剂中生地黄用量为10〜500g。其中,经典方剂中生地黄为15〜500g,现代医家方剂中生地黄为10〜120g。2)根据疾病、证型、症状的不同,寻求最佳用量,如生地黄补肾平肝、泻火养阴,治疗眩晕、耳鸣,多为10〜15g;养阴生津、清热泻火,治疗胃下垂、胃痛、便秘,为12〜30g;3)根据所治疗的疾病不同,如补肾平肝常配伍珍珠母、桑寄生等;养阴生津常配伍太子参、沙参、麦冬等。

By sorting out ancient books and clinical experience of modem physicians,this paper summarizes the following characteristics of clinical application of unprocessed rehmannia root:First,the clinical dosage of decoction unprocessed rehmannia root ranges from 10-500 g.Among them,the dosage of unprocessed rehmannia root in classical prescriptions is 15・500 g,and that in modem physicians is 10-120 g.Second,according to the difference of diseases,type of syndrome and symptoms,we choose the best dosage.Such as,when invigorating the kidney and calming the liver,purging fire and nourishing yin to treat vertigo and tinnitus,its dosage is 10-15 g.When nourishing yin and promoting the production of body fluid,clearing heat and purging fire to treat gastroptosis,stomachache and constipation,its dosage is 12・30 g;Third,when treating diseases,syndromes and symptoms,it compatibles w让h different herbs.For instance,when invigorating the kidney and calming the liver,Concha Margaritiferae Usta and Herba Taxilli are often combined.When nourishing yin and promoting fluid metabolism,Radix Pseudostellariae,Radix Adenophorae seu Glehniae and Radix Ophiopogonis are often combined.