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Da Xian Xiong Tang (Major Sinking Into the Chest Decoction)

Previous Formula in CategoryNext Formula in Category Formula 2 of 14 in Formulas that Drain Downward


  • Formulas that Purge Heat Accumulation


  • Heat and fluids accumulating and clumping in the chest

Possible Tongue Appearance:

  • Very dry tongue coat

Possible Pulse Patterns:

  • Submerged, forceful, and tight pulse

Cautions, Contraindications, Herb Drug Interactions:

  • Due to the toxicity and strong downward movement of this formula, it should only be taken in acute cases. Stop administration of this formula as soon as results are obtained, and use no more than a few doses
  • Do not use during pregnancy
  • Do not use, or use cautiously in weak patients
  • This formula contains one or more toxic substances (while some Chinese herbs are toxic, it must be noted that many come prepared, or are combined, to mitigate their toxicity).

Preparation Notes:

  • Decoction. Da Huang is cooked separately, and Mang Xiao is dissolved in the strained decoction. Ingest warm with powdered Gan Sui.

Originally Appeared In:

  • On Cold Damage (Shang Han Lun)

Combined Channels of all herbs in this formula:

  • Large Intestine, Stomach

Substances in this Formula (3 Total):

Gan Sui (Radix Euphorbiae Kansui)
Gan Sui (Kansui Root) 甘遂
Qty: 1-1.5 grams
Chan: KI, LI, LU
Prop: Bitter, Sweet, Cold, Toxic
Latin: Radix Euphorbiae Kansui
Cat: Harsh Expellants
Da Huang (Radix Et Rhizoma Rhei)
Da Huang (Rhubarb Root and Rhizome) 大簧
Qty: 9-12 grams
Chan: HT, LI, LIV, ST
Prop: Bitter, Cold
Latin: Radix Et Rhizoma Rhei
Cat: Purgatives
Mang Xiao (Natrii Sulfas)
Mang Xiao (Sodium Sulfate, Mirabilite, Glauber's Salt) 芒硝
Qty: 9-12 grams
Chan: ST, LI.
Prop: Salty, Bitter, Very Cold
Latin: Natrii Sulfas
Cat: Purgatives

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