Formula

Frigid Extremities Decoction

四逆湯si ni 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 Shaoyin (lesser-yin) presentation with a sunken, deep pulse, regarded as calling for urgent interior warming. A historical indication, not a modern diagnostic or treatment recommendation.

Source
传统主治（traditional context, not a modern clinical claim）：少陰病，脉沉者，急温之，宜四逆湯。…

Shanghan Lun (Treatise on Cold Damage)《伤寒论》辨少阴/厥阴病脉证并治·四逆湯（证治条文·宋本323）

References
  • Self-authored English rendering of the classical formula name (pinyin + sense translation); not a verbatim excerpt, no modern proprietary source.
Composition
  • Licorice二兩
  • Dried Ginger (Gan jiang)一兩半
  • Aconite (Fu zi)一枚
Citations
  • Shanghan Lun (Treatise on Cold Damage) · Zhang Zhongjing · 《伤寒论》辨少阴/厥阴病脉证并治·四逆湯（组成·宋本323）Cited from Shanghan Lun (Treatise on Cold Damage) for its composition.
  • Shanghan Lun (Treatise on Cold Damage) · Zhang Zhongjing · 《伤寒论》辨少阴/厥阴病脉证并治·四逆湯（证治条文·宋本323）；hash 锚含方名唯一上下文片段Cited from Shanghan Lun (Treatise on Cold Damage) for its traditional indications.
  • Shanghan Lun (Treatise on Cold Damage) · Zhang Zhongjing · 《伤寒论》辨少阴/厥阴病脉证并治·四逆湯（煎服法·宋本323）Cited from Shanghan Lun (Treatise on Cold Damage) for its preparation & usage.