Fang Feng (saposhnikoviae radix)
(spicy, sweet, sl warm) expels liver wind and reduces spasms, detoxifies mercury poison, dispels wind cold damp for bi syndrome, releases exterior wind cold and heat (b/c sl warm and less drying), treats migraines, also for painful diarrhea and migraine headache. contra: for spasm due to blood def. and yin def. with heat.