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Ephedrae Radix
Ephedra root
麻黄根 〔麻黃根〕 má huáng gēn
Alternate English names: mahuang root
Alternate Chinese names: 苦椿菜 kǔ chūn cài
Kingdom: Plant
Origin in PRC Pharmacopoeia: Ephedra sinica Stapf.; Ephedra intermedia Schrenk et C.A. Mey. (PRC Pharmacopoeia)
Origin in unofficial sources: Ephedra sinica Stapf*; Ephedra equisetina Bge.; Ephedra intermedia Schrenk et Mey.*; Ephedra gerardiana Wall.; Ephedra likiangensis Florin; Ephedra przewalskii Stapf; Ephedra distachya L.
Use: Medicinal
Category: Astringing agents / Sweat-checking agents
Properties: Sweet; balanced.
Channel entry: Lung channel.
Actions and indications: Constrains the lung and checks sweating: Spontaneous sweating; night sweating.
Dosage and method: Oral: 3–9 g in decoctions; also used topically.
Warnings: Contraindicated in the presence of exterior evils.
Production area: Héběi, Hénán, Shǎnxī (Shaanxi), Inner Mongolia, Liáoníng, Shānxī.
See: Má huáng (麻黄 Ephedrae Herba, ephedra)
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