A study on proper dosage of Ma-huang(麻黃)

마황(麻黃)의 적정 용량에 대한 고찰(考察)

Objective : The purpose of this study is to find out the proper dosage of Ma-huang for clinical use of Shanghanlun(傷寒論) Methods : To achive the purpose of this study, web-databases(pubmed, naver, google) were searched with the keywords including 'dose of Ma-huang Ephedra Ephedrine','dosage of Ma-huang Ephedra Ephedrine', and 'water extract of Ma-huang Ephedra'. The searched 30 papers and articles were reviewed. Results & Conclusions : 1. Proper dosage of Ma-huang 1) Adult: up to 9-12g/day 2) Adolescent: up to 6g/day 3) Hypertension disorder patient: up to 6g/day 4) lactating women: up to 6g/day 5) child: <2 years 0.7-2.5g/day, $${\geq_-}2$$ years 2.6-6g/day (Different from body weight) Although administration of Ma-huang to hypertension disorder patient, lactating women, child is safe on the paper, It is not recommended to these people because Ma-huang is one of toxic herbs. 2. Dosage form of Ma-huang There's no safety paper about pill or powdered Ma-huang(麻黃). There's not pill or powdered prescription of Ma-hunag in Shanghanlun(傷寒論), either. So it is recommended to administrate water exetract of Ma-huang.