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Yinchenhao Tang


Oriental Wormwood Decoction

  1. 茵陈蒿汤
  2. 茵陳蒿湯

The Prescription of Yinchenhao Tang


The book Shang Han Lun


  • Yin Chen (Herba Artemisiae Scopariae) 30 g,
  • Zhi Zi (Fructus Gardeniae) 15 g,
  • Da Huang (Radix et Rhizoma Rhei) 9 g.


Yin Chen: The principal drug, being bitter in flavor and slightly cold in nature, having the special action of clearing away dampness-heat to treat jaundice.

Zhi Zi: Removing obstructions from the tri-Jiao, leading damp-heat to go downward, inducing damp-heat to be eliminated through urination.

Da Huang: Clearing away heat and stagnancy and relieving constipation.

The Effect of Yinchenhao Tang


Clearing away heat, removing dampness and treating jaundice.


Syndrome or jaundice due to damp-heat pathogen, marked by yellowish face and body surface, slight full sensation in the abdomen, thirst, disturbance in urination, yellowish greasy tongue coating, and deep rapid pulse; including such diseases with the above symptoms as acute infectious icterohepatitis, acute cholecystitis, cholelithiasis, leptospirosis, etc.


Decocted in water for oral dose to be taken 3 times.