Isatidis Radix seed

 
Clears away heat to expel toxic substances, removes heat from the blood and soothes the throat.

For treating febrile diseases such as fever, headache and sore throat as well as a variety of ailments due to exuberant toxic heat, such as maculae (a stain, spot or thickening of the skin) caused by intense toxic heat, mumps, skin and external diseases, erysipelas (an acute febrile disease associated with intense local inflammation of the skin) and infection with swollen head: