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Bai Hu Tang

Bai Hu Tang

白虎汤

Certified Number: NPN: 80039568
SKU: HJ074

SOURCE: Treatise on Cold-Attack

INGREDIENTS:

Gypsum

Anemarrhena rhizome

Roasted licorice root

Round-grain rice

DIRECTI0NS: Decoct all herbs in water for oral use until the rice is well-done.

EFFECTS: Clearing heat and promoting generation of body fluid.

INDICATIONS: Exuberant heat in the qi stage of Yangming manifested by

sthenic fever, flushed face, irritable thirst with desire for drinking, profuse sweating, aversion to heat, surging, large and forceful pulse or slippery rapid pulse.

ANALYSIS OF FORMULA: This is a representative formula for syndrome of exuberant heat in the qi stage of Yangrning. Being pungent and sweet flavors and extremely cold nature, specially clearing pathogenic evil of the lung and stomach, gypsum is the main herb to relieve muscles for expelling heat and to promote generation of body fluid for quenching thirst. With bitter flavor and cold nature, anemarrhena rhizome as the assistant herb helps gypsum clear the excessive heat of the qi stage as well as replenishing the injured yin, As the adjuvant and dispatcher herbs, licorice root and round-grain rice can reinforce the stomach for preserving body fluid and injury of the middle from the extremely cold of gypsum.

The four kinds of symptoms, i. e. heavy ‘fever, profuse sweating, serious irritable thirst and surging large pulse, are the main reasons for applying this formula. However, in clinic, it is not necessary to be limited in these four kinds of symptoms. It can be applied to various conditions pertaining to non-figured exuberant heat.

In the present clinic, this formula has a certain therapeutic effects in lobar pneumonia, epidemic encephalitis B,gingivitis, rheumatic arthritis pertaining to heat in the qi phase.

ASSOCIATED FORMULAE:

(I) Ginseng plus White Tiger Decoction (bai hu jia ren shen tang), (Treatise on Cold-Attack) :

Gypsum, anemarrhena rhizome, roasted licorice root, round-grained rice,

ginseng.

The above herbs should be decocted in water for oral administration until the rice is well-done. Effects : clearing heat and reinforcing qi to promote generation of body fluid. Indications: syndrome of both injury of qi and body fluid due to exuberant heat in the qi stage or summer-heat disease manifested by profuse sweating with slight chill of the back, fever, thirst, large but feeble pulse.

(2 ) Cassia Twig plus White Tiger Decoction(bai hu jia gui zhi tang) , (Synopsis of the Golden Chamber) :

Gypsum, anemarrhena rhizome, roasted licorice root, round-grained rice, cassia twig.

The above herbs should be decocted in water for oral use. Effects: clearing heat and activating collaterals to relieve pain. Indications: warm-malaria marked by fever without chill, pain of joints, frequent vomiting; or syndrome of wind-damp-heat blockage manifested by sthenic fever, husky breath, restlessness, swelling and pain of joints, thirst, white coating, taut and rapid pulse.

(3) Atractylodes plus White Tiger Decoction (bai hu jia cang zhu tang ) ,

(Lifesaving Book of Classified Syndromes) :

Gypsum, anemarrhena rhizome, roasted licorice root, round-grain rice, atractylodes rhizome.

The above herbs should be decocted in water for oral administration. Effect: clearing heat and dampness. Indications:damp-warm diseases manifested by fever, stuffiness of chest, profuse sweating, red tongue with white greasy coating. Recently, it is used to treat rheumatic fever.

N0TES: All the above three formulae are modified from White Tiger Decoction.

The Ginseng plus White Tiger Decoction is one for clearing heat and purging fire as well as reinforcing qi and promoting generation of body fluid, so it is suitable to syndrome of injury of qi and body fluid due to exuberant heat of Yangming or summer-heat. Cassia Twig plus White Tiger Decoction is one for clearing heat and dredging collaterals, harmonizing the nutrient and defensive qi, so it is used to treat warm-malaria or blockage syndrome of damp-heat with symptoms pertaining to White Tiger Decoction. Atractylodes plus White Tiger Decoction is one for clearing heat and drying dampness, so it is applied to damp-warm diseases marked by stuffiness of chest, white and greasy coating with symptoms pertaining to White Tiger Decoction.

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