Formulas · Warm the Interior 溫裏 · Uihak Immun (醫學入門)

Return the Yin Elixir

Baneum-dan

한글 반음단  ·  Pinyin Fan Yin Dan

返陰丹

The layered firing of sulphur between saltpetre and gypsum under a sealed cup, with no smoke allowed to escape, is a smelting procedure drawn from the alchemical literature.

Composition 構成

Total 420 g per packet (첩) · representative dosage — verify against source texts.

Received this formula from your practitioner? Amounts shown here are classical reference values — granule and prepared products differ. Always follow your prescribed dosage and directions.

Actions 效能

Indications 主治

Pattern-based

  • Yang desertion with no pulse
  • Yin toxin with the pulse hidden

Biomedical correlates

  • Circulatory collapse
  • Cardiac arrest with hypothermia

Source text 原文

Donguibogam 東醫寶鑑

治陰毒脉伏, 及陽脫無脉ㆍ厥冷ㆍ不省. 硫黃 五兩, 硝石ㆍ太陰玄精石 各二兩, 乾薑ㆍ附子ㆍ桂心 各五錢, 爲末. 用鐵銚先鋪玄精, 次鋪硝石 各一半, 中間鋪硫黃末, 又布硝石ㆍ玄精餘末蓋上, 以小盞合着, 用炭三斤燒令得所, 勿令烟出. 急取瓦盆合着地上, 候冷取出, 入餘藥同爲末, 糊丸梧子大, 艾湯下三十丸, 汗出爲度. 《入門》

Translation

Treats yin toxin with a hidden pulse, and yang desertion with no pulse, reversal cold and loss of awareness. Sulphur, 5 nyang; saltpetre and calcitic gypsum, 2 nyang each; dried ginger, aconite and cassia heart, 5 don each, powdered. In an iron pan first spread the gypsum, then half the saltpetre, in the middle spread the powdered sulphur, then spread the remaining saltpetre and gypsum over the top; cover with a small cup, and burn with 3 geun of charcoal until it is right, letting no smoke escape. Quickly take an earthenware basin and invert it on the ground, and when cool take the mass out, add the remaining drugs and powder them together; make paste pills the size of a paulownia seed and take thirty with mugwort decoction, to the measure of sweating. — Uihak Immun 入門 (Donguibogam · Han)

Clinical commentary 臨床

**This must not be prepared.** Sulphur and saltpetre heated together under a sealed cover is the chemistry of gunpowder, and the instruction to let no smoke escape is an attempt to keep a reaction contained that should not be started at all. Setting that aside, the procedure is the most elaborate piece of mineral pharmacy in the chapter and its purpose is identifiable: the sulphur is being converted into a less volatile sulphate by the nitre, which is a real transformation. The resulting mass with aconite and cassia was a last-resort pill for a patient with no pulse. It is of historical interest only. — Eui Young (Justin) Chung, L.Ac., Dipl. O.M.

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