xu duan

Name: xu duan
Creator: Bencao Index

续断·Radix Dipsaci

Dipsacus

About xu duan

Xu Duan (续断) is the root of Himalayan teasel, recorded as Radix Dipsaci. It is bitter, sweet and acrid in flavour, slightly warm, and enters the Liver and Kidney channels. The catalogue files it among the herbs that tonify Yang. Its Chinese name reads as the mender of what is broken.

Names

Pinyin	xu duan
Chinese	续断
Latin Name	Radix Dipsaci
English Name	Dipsacus·Himalayan teasel root
Japanese	zokudan
Korean	sokdan

Classification

Category: Tonify Yang
Channels: Kidney, Liver
Flavour: Acrid, Sweet, Bitter
Temperature: Slightly Warm
Part used: Root
Family: Dipsacaceae
Species: Dipsacus asperoides
Tags: Chinese Herbs, Common

Actions and indications

Tonifies the Liver and Kidneys and strengthens the sinews and bones

Sore, aching lower back and knees, stiff joints and weak legs from Liver and Kidney deficiency
Wind-Damp on top of underlying Kidney deficiency
Dribbling urination from Kidney deficiency

Stops uterine bleeding, calms the fetus and prevents miscarriage

Bleeding or spotting in pregnancy
Restless fetus
Threatened miscarriage, including from Liver and Kidney deficiency
Uterine bleeding and vaginal discharge from deficiency of the Ren channel

Moves Blood, relieves pain, generates flesh and joins the sinews and bones

Traumatic injury such as fractures, sprains and bruises, especially with pain and swelling of the lower back and limbs, treated topically or internally
Sores on the surface of the body, treated topically
Bi pain

Reduces swellings, abscesses and sores

Toxic abscesses and sores

Combinations

blood invigorating herbs
Amenorrhea and other disorders from impeded Blood flow
du zhong + huai niu xi + bi xie
Kidney Deficiency or Cold-Damp Bi with painful lower back and legs and weak, contracted leg muscles; threatened miscarriage
du zhong
Aching lower back and knees, legs too weak to walk easily, and above all threatened miscarriage from unstable Chong and Ren channels: fortifies the lower back, tonifies Liver and Kidneys and steadies Chong and Ren; restless fetus or bleeding in pregnancy with lower back pain and a dropping sensation in the lower trunk
ai ye
Abdominal pain with heavy uterine bleeding
ai ye + di yu + huang qi + dang gui
Heavy uterine bleeding and abdominal pain, with a stronger effect
sang ji sheng + tu si zi + e jiao
Kidney Deficiency with uterine bleeding; habitual miscarriage
gu sui bu + zi ran tong + tu bie chong
Fractures or severe sprains.
pu gong ying
Breast sores and abscesses.
du zhong + huai niu xi + gou ji + sheng di huang + shu di huang + tu si zi
Sore, painful knees and lower back
du zhong + da zao + geng mi
In the first trimester, habitual miscarriage or restless fetus with severe lower back pain and uterine bleeding
gu sui bu + dang gui + da huang
Applied topically to injuries with fractures, swelling or intense pain
dang gui + gu sui bu + chuan xiong + ru xiang + mo yao + san qi + huai niu xi
Traumatic injuries.

Dosage

Age	Raw	Granule	Tincture	Concentrate	Frequency
Any 6-21g; Tincture:1-4ml	6-21 g	—	1-4 ml	—	—

Cautions

contraindication Excess Fire on a base of Yin deficiency
contraindication Bi from Wind, Damp and Heat
contraindication Dysentery in its early stage
contraindication Anger arising from Qi stagnation
caution Suited to deficiency, not to acute Heat or Excess patterns

Interactions

Antagonistic with

lei wan Antagonistic pairing with Lei Wan (Omphalia)

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