The pattern for this constellation of symptoms is blazing Heat or Fire at the Qi level (aspect) or yang ming channel disorder, with strong Heat signs, headache, high fever, chills, bone break fever (severe aching of limbs and joints), restlessness or delirium, possible sweating, sore throat, thirst and a large, surging pulse. Zhong Gan Ling is a logical choice for the early stages of influenza epidemics, or for exposure to influenza even before symptoms arise. The earlier that Zhong Gan Ling can be taken, the more it will prevent the Pathogenic Qi of seasonal epidemics from \\'grabbing hold\\' of the body.

mao dong qing (pubescent holly root) ge gen (kudzu root) ma bian cao (European vervain herb) ban lan gen (isatis root) qing hao (sweet wormwood herb) sheng shi gao (gypsum) qiang huo (notopterygium root)