Can Shi Tang - 蚕矢汤 - Silkworm Droppings Decoction

English:	Silkworm Droppings Decoction
Also Known As:	Decoction of Excrementum Bombycis

Herbs And Actions

Pharmaceutical Latin	Pin Yin	Dosage	Actions
Bombyx Batryticatus	Can Sha	9-20g	Dispels Wind, eliminates Dampness, harmonizes the Stomach and transforms turbid Dampness. With Wu Zhu Yu, Huang Qin and Mu Gua, for Dampness causing abdominal pain, spasms of the calf muscles, nausea, vomiting, and diarrhea.
Sm. Coicis	Yi Yi Ren	12-20g	Strengthens the Spleen, resolves Dampness, expels Wind-Dampness, relieves pain and clears Damp-Heat.
Sm. Sojae Germinatum	Da Dou Juan	12g	Releases the Exterior, clears Damp-Heat, invigorates Qi and Blood, reduces water distention, raises Yang Qi and opens the channels and collaterals.
Fr. Chaenomelis	Mu Gua	9-12g	Relaxes the sinews, increases Qi and Blood circulation, unblocks the channels, harmonizes the Stomach and transforms Dampness. With Yi Yi Ren, for Summerheat-Dampness with vomiting, diarrhea, abdominal pain and cramping, painful, heavy legs, softened sinews, leg Qi, and Damp painful obstruction. With Wu Zhu Yu, for "Leg Qi" entering the abdomen leading to intolerable stifling encumbrance with abdominal distention and fullness.
Ginger Rz. Coptidis	Jiang Huang Lian	6-10g	Cools Stomach Fire and Heat, alleviating nausea and descending rebellious Qi. With Huang Qin, drains pathogenic Heat from the Upper and Middle Jiaos for explosive diarrhea and dysentery with burning pain in the anus or fitted, filthy stools and abdominal pain. With Zhi Ban Xia, for Cold and Heat in the Middle Jiao with abdominal fullness, nausea and vomiting. With Wu Zhu Yu, for epigastric and abdominal pain, acid regurgitation, ulcers, vomiting and epigastric upset due to Liver Fire or Stomach Heat. With Huang Qin and Zhi Zi, for a high fever, irritability, dry mouth and throat, and dark urine due to Fire toxin in the three burners.
Rz. Pinelliae Preparatum	Zhi Ban Xia	3-10g	Dries Dampness, transforms Phlegm, descends Rebellious Qi, harmonizes the Stomach and stops vomiting. With Huang Qin, for Phlegm-Heat induced Rebellious Qi with cough, nausea, and vomiting.
Wine-fried Rx. Scutellariae	Jiu Chao Huang Qin	3-6g	Clears and eliminates Damp-Heat from the Upper Jiao. With Zhi Zi, for Damp-Heat and jaundice.
Medulla Tetrapanacis	Tong Cao	2-3g	Promotes urination, resolves Dampness and clears Heat.
Fr. Gardeniae	Zhi Zi	5-6g	Clears Heat, Eliminates irritability, Reduces Fire, Resolves Dampness and Drains Damp-Heat.
Dry-fried Fr. Evodiae	Chao Wu Zhu Yu	0.9-2g	Warms the Middle, descends Qi and stops nausea.

Formula Actions

• Clears Heat
• Resolves Dampness
• Separates the clear from the turbid (Ascends the clear and Descends the turbid )

Syndromes

• Damp-Heat sudden turmoil disorder
• Damp-Heat Bi

Clinical Manifestations

Vomiting Diarrhea Spasms Cramps Thirst Irritability Oliguria with reddish urine Restlessness

Arthralgia with a burning sensation, redness and swelling Abdominal pain T: Pink C: Thick, dry and yellow or Yellow and greasy P: Soggy and rapid or Floating and rapid or Floating, soft and rapid

Treats

Dysentery Nausea/Vomiting Diarrhea Wet beriberi Fermentative indigestion Abdominal pain

Acute gastroenteritis Rheumatoid arthritis Rheumatic arthritis Arthralgia Salmonella food poisoning

Contraindications And Herb/Drug Interactions

Notes

• This formula should be taken Cold or at room temperature.

Modifications