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Neijing
enpldefr

Base de conocimientoHierbas

Bai Wei白薇

Radix Cynanchi AtratiSwallowwort Root

También conocido comoBlackened Swallowwort Root · Versicolorous Swallowwort Root

Categoría
Herbs that Clear Deficiency Heat
Naturaleza
frío
Sabor
amargo, salado
Canales de destino
Pulmón, Estómago, Riñón, Hígado
Dosis
3–12 g

Esta entrada aún no está traducida: el texto siguiente está en inglés.

Dosis habituales

Dosis
3–12 g
Tincture
2–4 ml

Acciones & indicaciones

Cools the Blood and clears Deficiency Heat
  • Ying and Xue level Heat
  • Yin Deficient fever
  • Persistent Summertime fever in children
  • Postpartum fever and recovery from febrile disease (most commonly used)
  • Lingering fever as a result of warm febrile disease that injures Blood or Yin
Promotes urination
Hot or bloody painful urinary dysfunction, especially before or after giving birth
Relieves toxicity and treats sores
Toxic sores, swollen and painful throat and snakebite (internal or topical - weak action)

Contraindicaciones

  • Its strong cardiotonic properties mean overdose can occur at doses of 30-45g.
  • Should not be used as the chief or deputy herb in a formula.
  • Not to be used for diarrhea.
  • Not to be used for Spleen and Stomach Deficiency Cold.
  • Not to be used where there are no Heat symptoms in the Blood.

Incompatibilidades

  • Antagonizes Rx. Astragali Huang Qi.
  • Antagonizes Rx. et Rz. Rhei Da Huang.
  • Antagonizes Rx. Euphorbiae seu Knoxiae Da Ji.
  • Antagonizes Rz. Zingiberis Gan Jiang.
  • Antagonizes Fr. Corni Shan Zhu Yu.

Combinaciones

  • Steaming-bone disorder from Blood Deficiency with intermittent fever and chills; fever, steaming-bone disorder and night sweats from Yin Deficiency Heat; afternoon fever from Heat in the Ying; and as a base for formulas treating low-grade fever of unclear origin with no other symptoms.

  • Lingering Heat that will not clear, presenting as unremitting chronic fever, and postpartum fever with irritability from Blood Deficiency.

  • External Wind-Heat occurring on a background of Yin Deficiency.

  • Cough caused by Lung Heat.

  • Urinary dysfunction from Yin Deficiency with Heat in the Blood.

    • Bai Shao

    Postpartum dysuria; prepared in wine for prenatal or postpartum urinary incontinence.

  • Late-stage febrile disorders marked by lingering fever from Yin Deficiency.

  • Xue Lin — painful urinary dysfunction with blood.

  • Prostate inflammation caused by Heat in the Lower Jiao.

Notas

  • Though bitter, it is not drying, and its action directs downward.
  • Being salty, it can enter the Blood, and being cold, it clears Heat without injuring the Yin.
  • It cools Heat of both Deficiency and Excess type.
  • It is useful for prolonged low-grade fever from lingering pathogenic influences.
  • It cools the Lungs and directs fluids downward.
  • Bai Wei, Cx. Moutan Mu Dan Pi and Cx. Lycii Di Gu Pi all cool the Blood and reduce Deficiency Heat, treating Heat from Yin Deficiency with low-grade fever. Mu Dan Pi and Di Gu Pi can also reduce Blood Heat and treat upper- or lower-body bleeding from Excess Heat causing chaotic Blood movement. Mu Dan Pi additionally dispels Blood Stasis, which the other two do not, and suits steaming-bone disorder and consumptive Heat without sweating; Di Gu Pi treats the same disorders but with sweating present. Bai Wei's ability to cool the Lungs resembles that of Di Gu Pi, but unlike either of the others, Bai Wei can vent residual pathogenic Heat that has injured the Yin in the late stages of a febrile disorder, and it can also promote urination.
  • Bai Wei, Rx. Stellariae Yin Chai Hu and Hb. Artemisiae Annuae Qing Hao all clear pathogenic Heat, though Qing Hao neither cools the Lungs nor promotes urination, and Rx. Stellariae Yin Chai Hu does not vent Heat or Blood Heat outward at all — it only cools Blood Heat internally.
  • Fresh Cynanchi Xian Bai Wei is more effective at cooling Heat toxin and reducing scrofula, and is often applied topically on its own.
  • Honey-prepared Cynanchi Zhi Bai Wei acts mainly on the Lung channel, treating night sweats, recurring Heat and hemoptysis.
  • Dry-fried Cynanchi Chao Bai Wei has a milder cooling nature, making it better suited to Yin Deficiency patients or those with Spleen and Stomach weakness.

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