Lu Gan Shi - 爐干石 - Calamina

Pharmaceutical Latin:	Calamina
Common English:	Calamine Smithsonite

Properties

Taste	Temperature	Entering Meridians	Dosage
Sweet	Neutral	Liver Stomach	0.1-6g External use only

Actions

Indications/Syndromes

Brightens eyes and removes superficial visual obstructions (corneal opacity)

Superficial visual obstruction with red, swollen eyes and pterygium

Red eyes due to Liver Fire Rising

Dries Dampness, generates flesh and stops itching

Long-term drainage of pus from open sores

Poor healing of wounds (can be used alone)

CONTRAINDICATIONS

INCOMPATIBILITIES

HERB/DRUG INTERACTIONS

Endoconcha Sepiae Hai Piao Xiao Borax Peng Sha	Endoconcha Sepiae Hai Piao Xiao Borax Peng Sha Cinnabaris Zhu Sha	Borax Peng Sha Cinnabaris Zhu Sha Moschus She Xiang
With calcined Lu Gan Shi as eye drops for a variety of eye problems.	With calcined Lu Gan Shi as eye drops for a variety of eye problems with less adhesiveness.	General eye problems.
Indigo Naturalis Qing Dai Cx. Phellodendri Huang Bai Gypsum Fibrosum Preparatum Duan Shi Gao	Vessica Felle Ursi Xiong Dan Borneolum Bing Pian	Mirabilitum Purim Xuan Ming Fen
Damp sores with chronic seepage of pus.	Redness, swelling, and ulceration of the eyes and pterygium.	Eye redness and swelling.
Endoconcha Sepiae Hai Piao Xiao	Calcined Fossilia Ossis Mastodi Duan Long Gu Gypsum Fibrosum Preparatum Duan Shi Gao Borneolum Bing Pian	Calomelas Qing Fen
Excessive tearing.	Chronic ulcerations and eczema.	Diaper rash. (30g of calcined Lu Gan Shi + 3g of Qing Fen) topically
Calcined Fossilia Ossis Mastodi Duan Long Gu Calcined Gypsum Fibrosum Duan Shi Gao	Glycerin *Er Gan Chun*	Catechu Er Cha Sesame Oil
Topically with calcined Calamina for chronic ulcerations.	Topically for dermatitis.	Topically for genital ulcers.

According to some sources, this substance stops lacrimation and neutralizes toxins to treat Chuan Yung.
It is a significant substance in ophthalmology.
For genital eczema, apply it topically.
Lu Gan Shi and Borax Peng Sha both nourish, resolve toxicity and prevent putrefication, and both treat the eyes. Peng Sha is used mainly to dissolve Phlegm and clear Heat to prevent putrefication, and it concentrates on the mucous membranes. Lu Gan Shi generates flesh and dries Dampness, and is the better choice for long-term drainage of pus from wounds that do not heal or from open sores.
Calcined Calamina Duan Lu Gan Shi can be used in ophthalmology without the irritation caused by large particles.
Coptis-prepared Calamine Huang Lian Lu Gan Shi is more effective at clearing Heat, brightening the eyes, and restraining and inhibiting damp sores. Its uses include pain, swelling and redness of the eyes, conjunctivitis, superficial visual obstruction, non-healing ulcers, damp sores and skin itching.