Other Names : Pulvis Fami Carbonisatus, 百草霜, Fuligo plantae, Soot from the bottom of a boiler
==Special Precautions of Bai Cao Shuang==
It is contraindicated in case of yin deficiency with pyretic dryness and lung injury with cough.
==Benefits and uses of Bai Cao Shuang are==
*Stops bleeding