lu gan shi

Name: lu gan shi
Creator: Bencao Index

炉甘石·Calamina

calamine

About lu gan shi

Lu Gan Shi (炉甘石) is calamine, a zinc carbonate mineral, recorded as Calamina. It is sweet in flavour and neutral in temperature, entering the Liver and Stomach channels. The catalogue files it among the substances for external application.

Names

Pinyin	lu gan shi
Chinese	炉甘石
Latin Name	Calamina
English Name	calamine·calamine; smithsonite·smithsonite
Japanese	rokanseki
Korean	nogamseok

Classification

Category: External Application
Channels: Stomach, Liver
Flavour: Sweet
Temperature: Neutral

Actions and indications

Brightens the eyes and removes superficial visual obstruction

Superficial obstruction of vision, such as a corneal film or nebula, with red, swollen eyes and pterygium
Red eyes from rising Liver Fire
Excessive tearing and sensitivity to light, applied as an ultra-fine powder in eye washes, drops or ointments

Dries Damp, generates flesh and stops itching

Open sores draining pus over a long period
Wounds that heal poorly; can be used alone
Weeping, itchy Damp skin lesions such as eczema, as a dusting powder or paste
Hemorrhoids and burns, as one ingredient among others in classical topical formulas

Combinations

hai piao xiao + peng sha
Calcined, as eye drops for many kinds of eye problems
hai piao xiao + peng sha + zhu sha
Calcined, as less sticky eye drops for various eye problems
peng sha + zhu sha + she xiang
General eye problems.
qing dai + huang bai + duan shi gao
Damp sores with long-term oozing of pus
xiong dan + bing pian
Pterygium, and red, swollen, ulcerated eyes
xuan ming fen
Eye redness and swelling.
hai piao xiao
Excessive tearing.
duan long gu + duan shi gao + bing pian
Chronic ulcerations and eczema.
qing fen
Diaper rash, applied topically
duan long gu + duan shi gao
Chronic ulcers, applied topically in calcined form
glycerin + er gan chun
Topically for dermatitis.
er cha
Topically for genital ulcers.

Dosage

Age	Raw	Granule	Tincture	Concentrate	Frequency
Any 0.1-6g; External use only	0.1-6 g	—	—	—	—

Cautions

caution For external use only; never take internally
caution Near the eye, use only calcined, water-levigated (shui fei) powder that is ultra-fine and free of grit; coarse material can scratch or irritate the eye and skin
caution As a mined mineral its quality varies; choose properly processed material that meets heavy metal limits, and use it under a qualified practitioner, especially on the eye

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