Bai Mao Gen - 白茅根 - Rhizoma Imperatae

Pharmaceutical Latin:	Rhizoma Imperatae
Common English:	Cogongrass Rhizome Imperata Rhizome Lalang Grass Rhizome White Grass Woolly Grass Rhizome

Category

Herbs that Regulate Blood: Herbs that Stop Bleeding (Hemostatics)

Properties

Taste	Temperature	Entering Meridians	Dosage
Sweet	Cold	Lung Stomach Small Intestine (Bladder)	9-30g Up to 60g if used alone or fresh Tincture: 2-5ml

Actions And Indications

Actions	Indications/Syndromes
Cools the Blood and stops bleeding	Bleeding due to Blood Heat with epistaxis, hematemesis, hemoptysis and hematuria
Clears Heat and promotes urination	Lin Syndrome Heat patterns with edema and urinary difficulty
Clears Heat from the Stomach and Lungs	Stomach Heat with nausea and thirst Lung Heat with wheezing

Contraindications, Incompatibilities And Herb/Drug Interactions

Major Combinations

Nodus Nelumbinis Rhizomatis Ou Jie Hb. Cirsii Xiao Ji	Rx. Rehmanniae Sheng Di Huang Poria Fu Ling	Fol. Pyrrosiae Shi Wei
Epistaxis, hematuria and hemoptysis due to Heat. (most effective if the fresh juice is used)	Hematuria due to Heat, even with significant underlying Deficiency.	Hesitating urination.
Hb. Artemisiae Scopariae Yin Chen Hao Fr. Gardeniae Zhi Zi	Sm. Phaseoli Chi Xiao Dou	Rx. Astragali Huang Qi
Jaundice due to Damp-Heat.	Edema due to Deficiency. Jaundice and edema due to Damp-Heat.	Qi Deficiency edema.
Rz. Phragmitis Lu Gen	Rx. Puerariae Ge Gen	Gypsum Fibrosum Shi Gao
Warm febrile disease with thirst and irritability. (can be used as a stand-alone pair or as the basis of a small prescription) Nausea and vomiting due to Stomach Heat.	Warm febrile disease with nausea and vomiting.	Later stage of a Warm febrile disease with remnants of fever, thirst and dark urine. Persistent fever from a Warm pathogen disease. Excessive Heat in the summertime with thirst, irritability and darkish urine.
Rx. Rehmanniae Sheng Di Huang	Sm. Plantaginis Che Qian Zi	Nodus Nelumbinis Rhizomatis Ou Jie
Cools the Blood, draws out toxicity and reduces searing Heat for Ying Stage Heat with fever, thirst, a scarlet tongue and rashes. Bleeding due to Heat in the Blood. Heat injuring the Yin. Prolonged low grade fever.	Unblocks Lin, cools the Blood and stops bleeding for Damp-Heat having clumped to cause scanty urination with pain and hematuria. Edema in the lower limbs due to accumulation of water and Dampness.	Bleeding in the upper body such as epistaxis and hemoptysis and bleeding in the lower body such as hematuria and Bloody Lin.
Rx. Dipsaci Xu Duan Hb. Taxilli Sang Ji Sheng	Fol. Pyrrosiae Shi Wei Caul. Akebiae Mu Tong	Cx. Mori Sang Bai Pi
Chronic presence of red blood cells in the urine with backache.	Dysuria.	Asthma and wheezing from Lung Heat.

Notes

1. Flos Imperatae Cylindricae Mao Hua is sweet and cold, and it likewise cools the Blood to stop bleeding. Its main use is for Blood Heat with epistaxis, hemoptysis and hematemesis. It is less effective for Lin Syndrome. It may be used both internally and topically.
2. This herb is used particularly for bleeding in the upper body, especially epistaxis and hemoptysis.
3. It clears latent, lurking Heat from the Lungs, Stomach, Small Intestine and Bladder.
4. It is used to eliminate Blood Heat without producing Dryness.
5. It is particularly known for treating hematuria.
6. For hematuria caused by Bladder Heat, it can be used alone.
7. It is used in cancer treatment.
8. For edema with reduced urine volume, it can be used alone.
9. Bai Mao Gen and Rz. Phragmitis Lu Gen both clear Heat, generate fluids and promote urination. Lu Gen concentrates on the Lungs and Stomach and is excellent at clearing Qi level Heat. It cools the Lungs, drains the Stomach, guides out Phlegm-Heat and vents and disseminates external pathogens. It treats cough from Lung Heat, externally contracted disorders and failure of measles to express. Bai Mao Gen is better at clearing Blood level Heat and cooling the Blood to stop bleeding. It concentrates on the Heart, Lungs, Stomach and Bladder and guides Heart Fire out through the urine. It treats epistaxis, hemoptysis, hematuria and jaundice from Damp-Heat. The two herbs are very similar and may be substituted for each other when needed.
10. It is used for toothache, gingival swelling, ulcerative gingivitis, sores of the mouth and tongue, asphyxia from Lung Heat Stagnation and sores and pus in the throat.
11. Fresh Imperata Xian Mao Gen cools Heat, generates fluids, cools the Blood and stops bleeding more strongly than the dried herb. It may be used for any bleeding from the Lungs, Stomach or Bladder.
12. Used alone, Imperata Juice Bai Mao Gen Zhi treats epistaxis caused by Heat.
13. Charred Imperata Mao Gen Tan is better at stopping bleeding but less effective at clearing Heat.
14. Imperata Flower Mao Gen Hua cools Heat in the Blood and stops bleeding. It is used for Blood Heat patterns with bleeding from the upper body, such as epistaxis, hemoptysis or hematemesis. It may be taken internally or applied topically.
15. For regurgitation and vomiting, decoct 60g of this herb with 60g of Rz. Phragmitis Lu Gen.