English Name: silkworm droppings
Pharmaceutical Name: Excrementum Bombycis Mori
Medica Category: Wind Damp Dispelling Herbs – Pain Relieving Herbs
Properties: Can Sha enters the Liver, Spleen, and Stomach channels; it is sweet and acrid in nature and warm in temperature.
The Chinese Herb Can Sha is the dried droppings of silkworms (with a written history of being used as medicine going back over 1500 years).
Can Sha dispels wind and dampness and opens the channels and collaterals and is used to treat painful obstruction syndrome (bi zheng). It can also be used topically (as well as internally) to relieve itching from various dermatological disorders.
Can Sha dissolves dampness and turbidity in the Stomach and is used to relieve nausea, vomiting, and cramping due to these excesses.