Pharmaceutical Latin: Cortex Periplocae
Common English: Chinese Silkvine Root-bark
Herbs that Expel Wind and Eliminate Dampness (Antirheumatics)
Taste Temperature Entering Meridians Dosage
3 to 6g
Actions Indications/Syndromes

Expels Wind, Eliminates Dampness, warms channels to alleviate pain and strengthens the tendons and bones

Rheumatic arthritis with aching and weakness of the low back and knees, cardiac palpitations, shortness of breath and edema of the lower extremities

Promotes urination and alleviates edema

Edema, difficult urination

  • Contraindicated for those with Blood Heat or Liver Yang rising.
  • Do not use in doses greater than 3g or for long periods of time.
  • Overdosage should be avoided because of its toxicity.

Rx. Morindae Officinalis
Ba Ji Tian
Rx. Achyranthis Bidentatae
Niu Xi
Fr. Chaenomelis
Mu Gua

Cx. Poria
Fu Ling Pi
Per. Arecae
Da Fu Pi

Per. Citri Reticulatae
Chen Pi


Fr. Chaenomelis
Mu Gua

Rx. Achyranthis Bidentatae
Niu Xi

Chronic arthralgia syndrome characterized by paralysis of tendons and bones.

Superficial edema and difficult urination.

Atrophy and weakness of the legs.

Rx. Polygalae
Yuan Zhi

Rx. Dipsaci
Xu Duan

Cx. Eucommiae
Du Zhong
Rz. et Rx. Notopterygii
Qiang Huo


Leg Qi with superficial edema.

Wind-Cold-Damp Bi.


  1. Some sources say that because this herb is toxic, it is for External use only.
  2. Overdose can lead to tachycardia, cardiac arrhythmia, coma, convulsions and death within a short time.
  3. Both Xiang Jia Pi and Cx, Acanthopanacis Wu Jia Pi  dispel Wind-Dampness, strengthen sinews and bones and treat painful obstruction. This herb is better at promoting urination and eliminating Dampness while Wu Jia Pi is better at eliminating Wind-Dampness, tonifying the Liver and Kidneys and strengthening the sinews and bones.