Herbs that Release the Exterior

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In dispersing wind-heat, which two herbs are especially useful for treating sore throat and venting rashes?

Chai Hu (bupleuri radix) and Bo He (menthae haplocalycis herba)
Sang Ye (mori folium) and Ju Hua (chrysanthemi flos)
Niu Bang Zi (arctii fructus) and Chan Tui (cicadae periostracum)
Ma Huang (ephedra herba) and Gui Zhi (cinnamomi ramulus)

Chan Tui is cicada skin. Cicadas are loud, so you can think Chan Tui is good for hoarseness and voice loss. Chan Tui is the skin of cicada, so it's good for the skin of your body (rash).

Source: Bensky, D. (2004). Chinese Herbal Medicine: Materia Medica. Seattle, WA: Eastland Press. pp. 49-53 [Q912]