Formulas · External Application 外用 · Uihak Immun (醫學入門)

Sesame and Croton Paste

Madu-go

한글 마두고  ·  Pinyin Ma Dou Gao

麻豆膏

白蠟, insect wax, and 羊蹄根, dock root, are both entered above; both were unregistered when this entry was first written. The wax carries a weight of its own, 却入白蠟 五錢, and is what makes the paste a 膏; the dock root is the chief drug of the appended 丹心 method, whose alum and vinegar were already entered without it. The second clause is a separate 丹心 prescription appended to the leaf, not part of the paste.

Composition 構成

Total g per packet (첩) · representative dosage — verify against source texts. Excludes 8 ingredients measured by count or used as a vehicle, shown as —.

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

  • 諸癬 — all the tineas
  • 遍身生癬 — tinea over the whole body

Biomedical correlates

  • Tinea corporis — historical topical
  • Extensive dermatophyte infection — historical topical

Source text 原文

Donguibogam 東醫寶鑑

通治諸癬. 麻油 二兩, 入巴豆肉ㆍ萆麻子肉 各十四粒, 斑猫 七粒, 熬煎至枯黑色, 去滓, 却入白蠟 五錢, 蘆薈末 三錢, 攪勻成膏, 塗擦之. 《入門》 ○遍身生癬, 獨莖羊蹄根另搗, 白礬末, 以米醋調成膏塗擦之, 加輕粉ㆍ黃丹尤妙. 《丹心》

Translation

A general treatment for all the tineas. Sesame oil 2 nyang; put in croton kernels and castor bean kernels 14 grains each and blister beetle 7 grains, boil them down until charred black, strain off the dregs, then add white wax 5 don and powdered aloe 3 don, stir it evenly into a paste and smear and rub it on. — Uihak Immun 入門 ○ For tinea over the whole body: pound single-stemmed dock root separately, with powdered alum, work it up with rice vinegar into a paste and smear and rub it on; adding calomel and litharge makes it better still. — Dansim 丹心 (Donguibogam · Jechang)

Clinical commentary 臨床

The paste is made the way a medicated oil is made: three drugs are boiled in sesame oil until they char, strained out, and the oil set with white wax and aloe. What is left in the finished paste is the oil, the wax and the aloe — but croton and cantharides leave their irritants behind in the oil, which is the intent. This is a counter-irritant paste, meant to inflame a thick scaling plaque. 癬 covers the dermatophyte ringworms, and a 遍身 tinea is extensive tinea corporis. None of this treats the fungus. The appended 丹心 method — dock root and alum in vinegar — at least has a rationale, as the anthraquinones in Rumex have some antifungal activity and vinegar lowers the skin pH. **Contains croton seed, which is violently toxic, blister beetle, whose cantharidin is a vesicant and a renal toxin, and in the appended method calomel (mercury) and litharge (lead). This must not be prepared.** Cantharidin is absorbed through skin and has killed at doses of tens of milligrams. — Eui Young (Justin) Chung, L.Ac., Dipl. O.M.

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