Swallowwort Rhizome (Baiqian)
|Pharmaceutical Name:||Radix et Rhizome Stauntoni|
|Botanical Name:||Cynanchum stauntoni (Decne.) Schltr. Ex. Levl.
Dynanchum glaucescens Hand.-Mazz.
|Common Name:||Cynanchum Root
|Source of Earliest Record:||Mingyi Bielu|
|Part Used & Method for Pharmaceutical Preparations:||The roots are dug in autumn, cleaned and dried in the sun and cut into pieces.|
|Properties and Taste:||Pungent, sweet and neutral|
|Functions:||To resolve phlegm and stop cough
To conduct qi downward
|Indications and Combinations:||1. Cough due to invasion by exogenous pathogenic factors.
*Use with Schizonepeta (Jingjie) and Platycodon root (Jiegeng) in the formula Zhisuo San.
2. Turbid phlegm blocking the lungs:
a) Cold-phlegm cough.
*Use with Pinellia tuber (Banxia) and Perilla seed (Suzi).
b) Phlegm-heat cough.
*Use with Trichosanthes fruit (Gualou).
3. Cough, asthma, edema and rattling sound in the throat.
*Use with Aster root (Ziwan) and Peking spurge root (Daji) in the formula Baiqian Tang.