Shi Wei - 石葦 - Folium Pyrrosiae

Pharmaceutical Latin:	Folium Pyrrosiae
Common English:	Felt Fern Leaf Pyrrosia Leaf

Category

Herbs that Drain Dampness (Diuretics)

Properties

Taste	Temperature	Entering Meridians	Dosage
Bitter Sweet	Slightly Cold (Cool) (Neutral)	Bladder Lung	6-16g Severe cases: up to 30g Tincture: 2-4ml 6-9g (Secondary source)

Actions And Indications

Actions	Indications/Syndromes
Clears Damp-Heat, unblocks painful urinary dysfunction and clears stones	Damp-Heat painful urinary dysfunction, Stone Lin and Blood Lin
Clears Heat and stops bleeding (Cools the Blood)	Blood Heat bleeding (hematemesis, uterine bleeding, Blood Lin)
Clears the Lungs, expels Phlegm and stops coughing	Lung Heat coughs and wheezing

Contraindications, Incompatibilities And Herb/Drug Interactions

Major Combinations

Hb. Dianthi Qu Mai Talcum Hua Shi	Hb. Dianthi Qu Mai Talcum Hua Shi Fr. Malvae Dong Kui Zi	Hb. Desmodii Styracifolii Guang Jin Qian Cao Fr. Malvae Dong Kui Zi Or Hb. Lysimachiae Jin Qian Cao Hb. Lygodii Hai Jin Sha Talcum Hua Shi
Damp-Heat in the Lower Jiao with short, stabbing, painful urination.	Hematuria.	Stone Lin.
Fresh Pollen Typhae Pu Huang Fr. Gardeniae Zhi Zi	Sm. Plantaginis Che Qian Zi Rz. Alismatis Ze Xie (Poria) (Fu Ling)	Rx. Sanguisorbae Di Yu
Hematuria with stabbing pain.	Edema.	Hemoptysis due to Lung Heat.
Sm. Arecae Bing Lang	Fr. Jujube Da Zao	Sm. Plantaginis Che Qian Zi Caul. Akebiae Mu Tong
As a powder with ginger tea for coughing and wheezing due to Phlegm-Heat in the Lungs.	Leukopenia.	Heat Lin.
Rz. Imperatae Bai Mao Gen Fr. Gardeniae Zhi Zi Pollen Typhae Pu Huang	Rz. Anemarrhenae Zhi Mu
Blood Lin.	Cough with Yin Deficiency.

Notes

1. Its stone-removing action is very strong.
2. Used alone, it can stop bleeding.
3. It has proven effective for cancer patients with low white blood cell counts following chemotherapy or radiation, helping to raise the white blood cell count.
4. Shi Wei and Talcum Hua Shi are both cold and unblock painful urinary dysfunction. Hua Shi is slippery and facilitates Dampness, and is best for Damp-Heat Lin and Stone Lin; it also cools Summerheat and relieves thirst. Shi Wei cools the Blood and stops bleeding, and is best for Blood Lin. It also cools the Lungs and stops cough.
5. Shi Wei and Spora Lygodii Hai Jin Sha both clear Damp-Heat and unblock painful urinary dysfunction, and are used for Hot painful urinary dysfunction (Lin Syndrome) or hematuria. Shi Wei is particularly good for bloody and Damp-Heat painful urinary dysfunction. It also treats cough and wheezing by clearing Lung Heat, and irregular uterine bleeding by cooling Blood and stopping bleeding in the Lower Jiao. Hai Jin Sha is especially effective for stony painful urinary dysfunction.