Chlorite-Schist
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Herbs for Clearing Phlegm
Chlorite-Schist
Latin:
Chlorite-Schist
Origin:
The stone or small pieces of chlorite schist or glimmerite. When used as medicinal materials, the former is known as green mengshi, and the latter as golden mengshi.
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In China, chlorite schist is mainly produced in the provinces Hunan, Hubei, Sichuan, etc., while glimmerite is mainly produced in Henan, Hebei, etc. Harvested all year round, impurities are removed from the chlorite schist and calcined for use.
Properties:
Salty in flavor, mild in nature, it is related to the lung and liver channels.
Functions:
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Promotes expectoration and keeps adverse qi flowing downward as well as checks hyperfunction of the liver and relieves convulsions.
Applications:
1. Treats excess syndromes with stubborn phlegm or jelled old phlegm and dyspnea (difficult breathing) and coughing with adverse rising of qi:
So heavy as to be dropping and lowering and so salty in taste as to soften hard masses, this drug is good at the treatment of syndromes with jelled stubborn phlegm.
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a) Excess syndromes with stubborn phlegm or jelled old phlegm:
It is often used in combination with agalloch eaglewood, skullcap root (Radix Scutellariae), rhubarb (Radix et Rhizoma Rhei), etc., i.e., Mengshi Guntan Wan.
b) Heavy cases of infantile pneumonia and dyspnea and coughing due to lung affection with profuse thick and yellowish sputum:
Recently the drug has been used for the clinical treatment of heavy cases of infantile pneumonia and dyspnea and coughing due to lung affection with profuse thick and yellowish sputum, resulting in good effects.
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2. Treats syndromes of excessive phlegm-fire in the interior, such as mania, epilepsy due to terror, etc.:
This drug can not only resolve and eliminate stagnated phlegm, but also check hyperfunction of the liver and relieve convulsions. Therefore it is a good drug for the treatment of epilepsy due to terror.
a) Syndromes of excessive phlegm-fire in the interior, such as mania, epilepsy due to terror, etc.:
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For example, the Duoming San in the book 'Treasured Mirror for Infants' is made from chlorite-schist ground into powder and mixed with peppermint juice and white honey for oral administration in the treatment of infantile convulsions or clonic convulsions due to accumulation of heat-phlegm.
b) Epilepsy with constipation due to terror :
Mengshi Guntan Wan can be used to eliminate phlegm, remove fire from the interior and relieve convulsions.
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c) Epilepsy and schizophrenia:
Recently this drug has been used for the treatment of epilepsy and schizophrenia, proving effective in the control of attacks and the reduction of the symptoms of mania.
Dosage and Administration:
6-10 g.
Decoct for oral administration. It should be pounded finely, packed in cloth and decocted first.
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It is also included in pills or powder.
Cautions on Use:
As it is so heavy in property as to be dropping and strong in potency, this drug is not applicable to any excess syndrome without any stagnation of phlegm-heat in the interior.
It should be avoided by anyone with deficiency of the spleen and weakness of the stomach, by infants suffering from chronic convulsions or by pregnant women.
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Reference Materials:
'Jia You Materia Medica' :
"Food stagnancy, retention in internal organs and constant masses in the abdomen due to food stagnancy."
'The Compendium of Materia Medica' :
"Epilepsy due to terror as a result of accumulation of phlegm and coughing and dyspnea."
"Relieving convulsions and eliminating phlegm. But it can only be used for first aid in this respect and it cannot be taken for a long time by anyone with weakness of qi or with deficiency of spleen-qi."
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'Essentials of Materia Medica' :
"Calming the liver and keeping adverse qi flowing downward, this is a wonder drug for the relief of convulsions and the elimination of phlegm."
Toxic or Side Effects:
Modern Researches:
It mainly contains silicic acid, magnesium, aluminium, iron, etc., http://www.100md.com