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INDIVIDUAL HERBS

NAME: YAN HU SUO - 延胡索 - RHIZOMA CORYDALIS

Pharmaceutical Latin:	Rhizoma Corydalis
Common English:	Corydalis Rhizome

PROPERTIES

Taste	Temperature	Entering Meridians	Dosage
Acrid Bitter	Warm	Heart Liver Stomach (Lung) (Spleen) (Pericardium)	3-12g Maximum dosage: 20g Tincture: 2-4ml

ACTIONS AND INDICATIONS

Actions

Indications/Syndromes

Invigorates the Blood, circulates Qi, stops pain and disperses extravasation

Any type of pain affecting the chest, abdomen or limbs including that caused by Blood Stagnation, Qi Stagnation and traumatic injury

Especially useful for epigastric pain and dysmenorrhea

Induces and prolongs sleep

Insomnia

CONTRAINDICATIONS, INCOMPATIBILITIES AND HERB/DRUG INTERACTIONS

CONTRAINDICATIONS

Contraindicated during pregnancy.
Use caution for those with underlying Deficiency.

INCOMPATIBILITIES

HERB/DRUG INTERACTIONS

MAJOR COMBINATIONS

Faeces Trogopterori Wu Ling Zhi	Rz. Cyperi Xiang Fu Rx. Angelicae Sinensis Dang Gui	Rx. Curcumae Yu Jin Fr. Trichosanthis Gua Lou (Bul. Allii Macrostemi) (Xie Bai)
Chest and abdominal pain due to Blood Stagnation.	Dysmenorrhea from Qi Stagnation and Blood Stasis.	Chest and hypochondriac pain from Qi Stagnation and Blood Stasis.
Rx. Chuanxiong Chuan Xiong	Fr. Foeniculi Xiao Hui Xiang Rx. Linderae Wu Yao	Ram. Cinnamomi Gui Zhi Rx. Angelicae Sinensis Dang Gui
Body aches and headaches due to Blood Stagnation.	Abdominal pain and hernias due to Qi and Blood Stasis due to Cold.	Dysmenorrhea due to Cold in the Blood. Generalized pain that is more intense in the extremities from Wind-Cold entering the collaterals.
Fr. Toosendan Chuan Lian Zi	Flos Lonicerae Jin Yin Hua Rx. Aucklandiae Mu Xiang	Olibanum Ru Xiang Myrrh Mo Yao (Rx. Chuanxiong) (Chuan Xiong) (Rx. Angelicae Sinensis) (Dang Gui)
Flank and upper right quadrant pain. Epigastric and abdominal pain.	Abdominal pain from Intestinal Abscess.	Pain due to trauma.
Rx. Salviae Miltiorrhizae Dan Shen Flos Carthami Hong Hua Rx. Chuanxiong Chuan Xiong	Rx. Salviae Miltiorrhizae Dan Shen Rz. Polygonati Odorati Yu Zhu Fr. Crataegi Shan Zha	Rz. Cyperi *Xiang Fu*
Coronary artery disease, angina and chest pain.	Irregular heartbeat.	Treats a wide range of applications from Liver Qi Stagnation to deep Blood Stasis and a wide variety of pain anywhere in the body including chest pain, distending pain in the breast, Cold pain in the epigastrium, pain due to bulging disorders in the lower body and dysmenorrhea from Qi and Blood Stagnation.
Rz. Alpiniae Officinarum Gao Liang Jiang Rz. Zingiberis Preparatum Pao Jiang Rz. Cyperi Xiang Fu Fr. Amomi Sha Ren	Rx. Aucklandiae Mu Xiang Per. Citri Reticulatae Viride Qing Pi Fr. Amomi Sha Ren Rx. Curcumae Yu Jin	Rx. Angelicae Sinensis Dang Gui Rx. Chuanxiong Chuan Xiong Rx. Paeoniae Alba Bai Shao Rz. Cyperi Xiang Fu
Abdominal pain due to cold and Blood Stagnation.	Abdominal fullness and pain due to Qi Stagnation.	Amenorrhea or menstrual pain due to Qi and Blood Stagnation.
Rz. Zingiberis Gan Jiang Cx. Cinnamomi Rou Gui Rx. Angelicae Sinensis Dang Gui Faeces Trogopterori Wu Ling Zhi Pollen Typhae Pu Huang Rx. Chuanxiong Chuan Xiong	Ram. Cinnamomi Gui Zhi Rx. Angelicae Sinensis Dang Gui Rx. Paeoniae Rubra Chi Shao	Hb. Taxilli Sang Ji Sheng Rx. Cyathulae Chuan Niu Xi Rx. Dipsaci Xu Duan Rx. Angelicae Pubescentis Du Huo
Amenorrhea and dysmenorrhea due to Cold and Blood Stagnation.	Pain of the upper extremities.	Pain in the lower extremities.
Rx. Angelicae Sinensis Dang Gui Flos Carthami Hong Hua Sm. Persicae Tao Ren Rx. Cyathulae Chuan Niu Xi Hb. Lycopi Ze Lan Squama Manitis Chuan Shan Jia Rz. Curcumae E Zhu Rz. Sparganii San Leng Rx. et Rz. Rhei Da Huang Rx. Linderae Wu Yao Per. Citri Reticulatae Viride Qing Pi
Palpable masses in the abdomen.

NOTES

This herb is widely used for any type of pain with the right combinations.
This herb can be used for a long time safely.
This herb is often used in formulas that treat abdominal pain.
This herb is related to the opium poppy.
This herb promotes the movement of Qi within the Blood.
This herb can be used alone for severe epigastric and chest pain.
This herb treats coronary artery deficiency with hypertension, angina and myocardial infarction.
Rx. Curcumae Yu Jin is acrid, bitter, cold and enters the heart, Lung and Liver channels to disperse, drain and cool Heat. it enters the Blood to move Qi within the Blood, thereby cooling Heart Blood, breaking up Stagnation, stopping pain, soothing the Liver facilitating Gallbladder function and reducing jaundice. It is used for Liver Stagnation transforming into Fire, Blood Heat causing Stasis and jaundice. Yan Hu Suo is stronger at moving Qi and stopping pain, but not as good at cooling Heart Blood and relieving constraint.
Rz. Curcumae Longae Jiang Huang is bitter, acrid, warm, enters the Spleen, Stomach and Liver channels and is stronger than Yan Hu Suo in its ability to break up Blood Stasis. It also expels Wind and treats Wind-Damp Bi which Yan Hu Suo does not do.
Yan Hu Suo, Faeces Trogopterori Wu Ling Zhi, Olibanum Ru Xiang and Myrrh Mo Yao all invigorate the Blood and stop pain. Yan Hu Suo has the strongest pain alleviating effect. Wu Ling Zhi is slightly weaker and Ru Xiang and Mo Yao are next.
Dry-fried Corydalis Chao Yan Hu Suo regulates the flow of Qi and Blood, to treat milder cases of menstrual irregularity or dull ache in the epigastrium from clumped Qi in the Spleen and Stomach.
Vinegar-fried Corydalis Cu Chao Yan Hu Suo enters the Liver channel, better regulates menstruation and stops pain to treat gynecological disorders, particularly dysmenorrhea.
Wine-fried Corydalis Jiu Chao Yan Hu Suo rises to the head, descends, reaches the surface and the interior.
Salt-fried Corydalis Yan Chao Yan Hu Suo mainly descends to treat pain associated with bulging disorders.