Bassia scoparia (Di Fu Zi 地肤子)
pungent, bitter, cold; affinity to Kid., UB. meridians eliminates damp-heat, promotes urination; expels wind and heat, relieves skin itching
Sophora flavescens (Ku Shen 苦参)
bitter, cold; affinity to H., Sp., Kid. meridians clears heat, drains dampness; expels wind and heat, relieves itching; eliminates damp-heat from small intestine through urination
Cortex Dictamni Dasycarpi Radicis, Bai Xian Pi 白鲜皮
clears heat, drains dampness, detoxifies pyogenic pathogens; expels wind and dampness, relieves itch@
Rehmanniae Glutinosae Radix Sheng Di Huang 生地黄
sweet, bitter, very cold; affinity to H., Liv., Kid. meridians It should be avoid in those with spleen and stomach deficiency (diarrhea or loose stool), dampness, yang deficiency