>> ... >> 1、Herbs That Release the Exterior


Chinese Name Mahuang
Latin Herba Ephedrae
English Name Ephedra
Key Characteristics Acrid-warm herb that releases the exterior

Dried herbaceous stem of Ephedra sinica Stapf, Ephedra intermedia Schernk et C. A. Mey.or Ephedra equisetina Bge(Fam.Ephedracease).

Property, Flavor and Meridians Entered

Acrid, slightly bitter,warm; Lung, Bladder

Actions To induce perspiration to expel cold, ventilate the lung to relieve asthma, and induce excretion of urine to alleviate edema

Common cold due to wind-cold, chest distress, dyspnea and cough, wind edema.   In addition, used for bronchial asthma, sinus bradycardia, hemorrhage of the upper digestive tract, acute renal failure and toothache 

Special Usage

Unprocessed ones are used to induce perspiration to release the exteriorand that processed with honey is used to relieve cough and asthma.


Use with caution to those who are debilitated, those with spontaneous sweating from exterior deficiency, those with night sweats from yin deficiency, and those with yang hyperactivity due to yin deficiency.

Chemical Composition

It mainly contains ephedrine, a little d-pseodo-phedrine, volatile oil, flavanoid, and ephedran.


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