Qi and Flavor
A simple visual reference for Chinese Medicine Formulas

Yin Qiao San 銀 翹 散

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Source: Systematic Differentiation of Warm Pathogen Diseases (1798)

Indication: Exterior Wind-Heat with Heat Toxin

Symptoms: fever, slight or no chills, slight thirst, sore throat, cough, headache, superficial boils, sores, measles or mumps

Tongue: normal or red tip + thin, white or yellow coat; Pulse: floating, rapid

All of the herbs in this formula are light and address and work to clear symptoms of the upper jiao. Mostly cold, bitter, and acrid, this formula clears heat from the Lungs and releases the exterior, as well as resolving toxicity. The sweet deputy herbs (Dan Zhu Ye, Lu Gen, and Gan Cao) generate fluids and alleviate thirst.