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Neijing

Knowledge baseHerbs

Qin Pi秦皮

Cortex FraxiniFraxinus Bark

Also known asKorean Ash Bark · Ash Bark

Category
Herbs that Clear Heat and Dry Dampness
Nature
cold
Taste
bitter, astringent
Channels entered
Gallbladder, Large Intestine, Liver
Secondary channels
Stomach, Lung
Dosage
3–16 g

Usual doses

Dosage
3–16 g
Tincture
1–3 ml

Actions & indications

Clears Heat, resolves toxicity and dries Dampness (Stops diarrhea and dysentery - astringes)
  • Diarrhea, dysenteric disorders and vaginal discharge due to Damp-Heat
  • Hemafecia
Drains Liver Fire and benefits the eyes
Liver Fire affecting the eyes with redness and swelling of the eyes, styes or superficial visual obstruction, leukoma
Disperses Wind-Dampness
Wind-Damp-Heat Bi
Calms wheezing, stops coughs and resolves Phlegm
Wheezing and coughs due to Lung Heat, bronchitis

Contraindications

Use with caution in Spleen and Stomach Deficiency Cold.

Incompatibilities

It antagonizes Fr. Evodiae Rutaecarpae Wu Zhu Yu.

Combinations

Notes

  • It is mainly included in formulas addressing Damp-Heat in the Large Intestine and Gallbladder.
  • Cold and drying, it clears Damp-Heat while its astringency checks diarrhea.
  • Uses include Wind-Damp-Heat Bi, superficial visual obstruction, deficient Jing in men, vaginal discharge in women, and childhood convulsions.
  • It can serve as an eye wash.
  • Charred Fraxinus, Qin Pi Tan, is less cold and enters the Blood more readily, allowing it to stop bleeding and relieve dysenteric disorders; it is often chosen for stools containing mucus, pus, and blood in dysentery, and can also address Intestinal Wind and irregular uterine bleeding.

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