Are they acrid-dispersing substances? ( ) Heat-inducing medicines should also not be used lightly; rather, harmonizing methods are appropriate. Ya zhang (dumb malaria) is a severe form of Re zhang (hot malaria). Blood coagulates and becomes stagnant when exposed to cold, but flows excessively when exposed to heat. Symptoms such as a red face, internal heart heat, cracked tongue, and epistaxis are all caused by the boiling of heat and the congestion of blood. Therefore, it is suitable to use the method of "Tiao Cao Zi" (picking grass seeds/bloodletting with grass seeds) to release the blood. If the condition is severe, then...