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 Swallowwort Rhizome |
| 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 |
| Meridian: | Lung |
| 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. |
| Dosage: | 3-10 g |