Formula

Major Sinking into the Chest Decoction

大陷胸湯da xian xiong tang
1 source

3 herbs·from Shanghan Lun (Treatise on Cold Damage)

In the Shanghan Lun (《傷寒論》) tradition, this formula is described for a chest-bind (jiexiong) pattern: after a Taiyang illness is wrongly purged, hardness and pain below the heart, shortness of breath, agitation and vexation, and an anguished oppression in the chest. A historical indication, not a modern diagnostic or treatment recommendation.

Source
传统主治（traditional context, not a modern clinical claim）：太陽病，脉浮而動數，浮則爲風，數則爲熱，動則爲痛，數則爲虛，頭痛發熱，微盗汗出，而反惡寒者…

Shanghan Lun (Treatise on Cold Damage)《伤寒论》辨太阳病脉证并治·大陷胸湯（证治条文·宋本134）

References
  • Self-authored English rendering of the classical formula name (pinyin + sense translation); not a verbatim excerpt, no modern proprietary source.
Composition
  • Rhubarb Root六兩（去皮）
  • Pu xiao (crude mirabilite)一升
  • Kansui (Gan sui)一錢匕
Citations
  • Shanghan Lun (Treatise on Cold Damage) · Zhang Zhongjing · 《伤寒论》辨太阳病脉证并治·大陷胸湯（组成·宋本134）Cited from Shanghan Lun (Treatise on Cold Damage) for its composition.
  • Shanghan Lun (Treatise on Cold Damage) · Zhang Zhongjing · 《伤寒论》辨太阳病脉证并治·大陷胸湯（证治条文·宋本134）；hash 锚 carrier 逐字唯一片段（含方名/组成上下文）Cited from Shanghan Lun (Treatise on Cold Damage) for its traditional indications.
  • Shanghan Lun (Treatise on Cold Damage) · Zhang Zhongjing · 《伤寒论》辨太阳病脉证并治·大陷胸湯（煎服法·宋本134）Cited from Shanghan Lun (Treatise on Cold Damage) for its preparation & usage.