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Neijing
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Base de conocimientoHierbas

Da Huang大簧

Radix et Rhizoma RheiRhubarb Root and Rhizome

Categoría
Purgatives
Naturaleza
frío
Sabor
amargo
Canales de destino
Corazón, Intestino grueso, Hígado, Estómago
Canales secundarios
Pericardio, Bazo
Dosis
3–15 g

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

Dosis habituales

Dosis
3–15 g
Severe cases
15–20 g
Tincture
2–4 ml

Acciones & indicaciones

Drains Heat and purges accumulations
  • Intestinal Heat Excess, with high fever, profuse sweating, thirst, constipation, abdominal distention and pain, delirium, a yellow tongue coat and a full pulse
  • Yang-Ming Fu Stage
  • Qi Level Heat in the Intestines
Drains Fire
  • Fire from Excess with intense fever, sore throat, and painful eyes and constipation
  • Fire toxin sores due to Xue Level Heat, especially with constipation
Clears Heat, transforms Dampness and promotes urination
Damp-Heat with edema, jaundice, painful urinary dysfunction and acute, hot dysenteric disorders
Drains Heat from the Blood
  • Bloody stool either from hemorrhoids or Heat in the Intestines
  • Chaotic movement of hot Blood with hemoptysis or epistaxis with constipation
  • It can be powdered and administered orally for bleeding in the upper digestive tract
Invigorates the Blood and dispels Blood Stasis
  • Blood Stasis with amenorrhea, fixed abdominal masses or fixed pain
  • Blood Stasis due to traumatic injury
  • Intestinal abscess
Clears Heat and reduces Fire toxicity
Topically or internally for burns or skin lesions (Chuang Yung) due to Heat
Clears Heat and eliminates Phlegm
Chronic Accumulation of Phlegm-Heat with cough, dyspnea, mania, disorientation and other symptoms of Phlegm Misting the Heart

Contraindicaciones

  • Avoid in Qi or Blood Deficiency without significant accumulation or Blood Stasis.
  • Avoid where Stomach Qi is weak.
  • Avoid during an External invasion.
  • Avoid in Spleen and Stomach Deficiency Cold.
  • Avoid where there are no Heat or Fire symptoms.
  • Avoid in intestinal obstruction.
  • Avoid in nephritis and/or renal stones; use caution with nursing mothers.
  • Avoid in abdominal pain of unknown cause.
  • Avoid in gout.
  • Avoid in hemorrhoids.
  • Use with extreme caution during pregnancy, menstruation or the postpartum period.
  • Use caution in children under 12.
  • Use caution in dehydrated patients.
  • Use caution where electrolyte imbalance is present.

Interacciones

Prolonged use of Da Huang may deplete potassium, which can increase the toxicity of cardiac glycosides such as digoxin (Lanoxin).

Combinaciones

  • Persistent high fever, delirious speech and constipation.

  • Mild-to-moderate constipation, or habitual constipation with underlying Deficiency.

  • Constipation arising from Cold accumulation.

  • Long-standing constipation.

  • Fullness and distention from Heat Accumulation; also distention, Heart palpitations, mental distress with facial congestion, and epilepsy due to Excess Heat.

  • Hematemesis or epistaxis from Blood Heat, and generalized Damp-Heat.

  • Intense pathogenic Heat in the Upper and Middle Jiaos, and Heat flaring upward to attack the head.

  • Liver Fire causing headache and irritability, with constipation.

  • Pathogenic Heat and Fluids accumulating in the chest and upper abdomen.

    • Yin Chen Hao
    • Zhi Zi

    Jaundice accompanied by flank pain.

  • Painful urinary dysfunction of Heat type.

  • Intestinal abscess.

  • Blood Stasis (it removes Stasis and frees the flow of Qi); combined Interior/Exterior conditions with chills, headache, fever, sweating and abdominal fullness and pain; and abdominal fullness and pain resulting from purging an Exterior condition prematurely.

  • Blood Stasis.

  • Purges severe Blood Stasis.

    • Shi Gao

    Applied topically as a plaster for burns.

  • Clears intestinal obstruction in severe constipation where only liquid, not solid, stool passes; also abscesses, swellings and toxic sores.

  • Blazing Heart and Stomach Fire with epistaxis and hemoptysis; Deficiency Fire; and parched, dry stools with damaged Yin.

    • Yin Chen Hao

    Early-stage Damp-Heat Jaundice where Heat predominates over Dampness, and biliary ascariasis.

    • Chi Shao

    Chronic abdominal accumulation, blocked urination, constipation, Qi rushing upward toward the Heart, abdominal distention and rebellious damage from food and drink.

  • Yang Ming-stage disease with concurrent Qi and Blood Deficiency.

  • Constipation where Heat is consuming Body Fluids.

  • Constipation with Spleen Yang Deficiency and Cold accumulation

  • Dysentery from Excess Damp-Heat.

  • Chronic dysentery involving Damp-Heat accumulation together with Spleen Yang Deficiency.

    • Anti-Parasitics

    Helps expel parasites.

  • Cellulitis of the back with constipation and a forceful pulse.

  • Mild-to-moderate Blood Stasis.

  • Water Accumulation presenting as edema and abdominal fullness.

  • Chronic Blood Stasis together with Qi and Blood Deficiency.

Notas

  • It is an important herb for both recent and chronic Blood Stasis, since it clears extravasated Blood via the bowels and removes Heat from Stasis.
  • It works well for Blood Stasis caused by traumatic injury.
  • Powdered and mixed with sesame oil, it is used to treat burns.
  • It passes into breast milk and is therefore contraindicated for nursing mothers.
  • It can cause pelvic Blood Stasis, so it is unsuitable during menstruation or pregnancy.
  • It appears in most purgative formulas and many formulas for Blood Stasis.
  • Cooked with grain liquor, it can be used to treat dysentery.
  • It is the fast-acting purgative most commonly used in the Chinese pharmacopoeia.
  • In people with irritable bowels, any attacking purgative — this one included — may bring on diarrhea and cramping.
  • In its raw form it can rescue the dying.
  • It inhibits cancer cell growth.
  • Used by itself, it treats bleeding from the upper gastrointestinal tract.
  • It stops bleeding without producing Stagnation.
  • For Blood Stasis it can be used alone or combined with other herbs.
  • This herb lowers serum cholesterol.
  • It is beneficial for cardiovascular disease.
  • For cerebral hemorrhage with constipation: 9g. in 15-20 ml hot water, given several times daily using a stomach tube, or as an enema once daily using 9g. in 200 ml water.
  • For tuberculosis patients with bronchiectasis: 1.5g. of Da Huang powder, 1-2 times daily.
  • Tao Huang San — Da Huang combined with Shi Hui (Calcium Oxide), Ming Fan (Alumen) and water — may promote clot formation.
  • In hepatitis with jaundice, fresh Da Huang may lower transaminase levels and ease the jaundice.
  • High doses should not be used for extended periods.
  • It is said to benefit the Gallbladder and clear Food Stagnation.
  • It has a strongly mobilizing action and travels directly to the Lower Jiao.
  • It enters the Jue Yin channel to clear Blood Heat and remove Blood Stasis.
  • It can expel Phlegm-Heat via the Intestines.
  • Da Huang and Fr. Crotonis Ba Dou are both purgatives that expel the old to make way for the new, reduce accumulation and harmonize the Middle Jiao. Da Huang is cold in nature, used for Heat buildup in the Yang organs, is only mildly toxic, and breaks up Blood Stasis, clears Damp-Heat and resolves toxicity. Ba Dou, by contrast, is hot, used for Cold accumulating internally in the Yin organs, and is highly toxic.
  • Da Huang and Natrii Sulfas (Mirabilitum) Mang Xiao both drain accumulation to treat Heat clumped in the Large Intestine with constipation. Da Huang, bitter and cold, drains Qi-level Heat in Yang Ming disorders, cools the Blood, resolves toxicity and breaks up static accumulations, treating epistaxis, hemoptysis, red swollen painful eyes and gynecological abdominal masses. Mang Xiao clears the Large Intestine and softens hardness to relieve constipation.
  • Steamed Rhubarb Shu Da Huang has a milder draining and cooling action, making it more suitable for weaker patients; some sources also credit it with clearing Damp-Heat.
  • Wine-washed Rhubarb Jiu Xi Da Huang cools Fire in the upper Jiao and directs it downward, treating Large Intestine Heat toxin with red eyes, toothache, mouth ulcers and restless Heat in the chest.
  • Vinegar Rhubarb Cu Da Huang lets the herb's action enter the Liver, breaking up Blood Stasis and draining Excess Heat from the Blood level.
  • Charred Rhubarb Da Huang Tan has a reduced ability to drain downward or break up Blood Stasis, but gains the ability to stop bleeding, treating hemafecia from Heat in the Intestines.
  • Slices of Pure Tranquility Qing Ning Pian is a prepared-medicine form used for patients who cannot tolerate a strong purgative.
  • Prepared Rhubarb Zhi Da Huang drains Damp-Heat and clears Heat via the stool.
  • Unusually, it is used across three major medical traditions — Chinese, Ayurvedic and Greek/Western.
  • It can serve as a substitute for rhinoceros horn Xi Jiao and water buffalo horn Shui Niu Jiao.

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