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Mangxiao ( Sodium Sulfate )---芒硝(powder100g/bottle)

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Product Description


The chinese medicinal is the refined crystalline sodium sulphate, usually made from natural sources natrii sulfas as its chief component. The natural sources are melted in the hot water, filtered and cooled to separate crystals out. The products are generally called Pixiao. Then they are boiled together with levigated turnip chips and superjacent fluid is taken out to cool. The crystals separated out are Mangxiao. Mangxiaocan be become white powder named as Xuanmingfen by efflorescence.

[ Medicinal Properties ]: Salty ,bitter,cold; relate to stoach and large intestine meridians.

[ Medicinal Efficacies ]: Soften dired feces to induce downward discharging; clear heat; dissipate swelling

[ Usage and Dosage ]: 6-12g. It is dissolved in a decoction or in boiling water to use orally. The appropriate amount is for external use.

[ Precautions ]: It shold be used carefully, or contraindicated during pregnancy or lactation.
[ Clinical Applications ]: 1. Stagnation and constipation      It is salty and good at purging, softening hardness and moistening dryness. It is suitable for constipation due to dry feces and stagnation of excess heat. It is frequently used together with Dahuang, such as in Dachengqi Decoction, Tiaowei Chengqi Decoction. It is recently indicated to treat abdominal pain and constipation due to gall stone.
2. Sore throat, aphthae, redness of eyes and swelling and sore of carbuncles External use of it can clear heat and subside a swelling. For sore throat and aphthae, it is used together with Pengsha, Bingpian, Zhusha, such as in Bingpeng Powder. It can also be put in watermelon and prepared into Xiagua Cream forexternal use. And it can beused for eye drops to treat bloodshot eyes. Besides, it can be wrapped with gauze or dissolved in water for external application to treat early stage of mastitis. It is also combined with Dahuang and garlic, which are ground int opieces for external use to treat the early stage of intestinal abscess. In addition, it is also decocted singly for wash to treat haemorrhoids and swelling pain.
[ Medicinal comparison ]: Similarites:  Dahuang and mangixao can both clear heat and purge the bowels. They are frequently used as mutual reinforcement for stagnation of excess heat and constipation. They are both suitable for excess fire, manifesting as sore throat, oral ulcer of the eye, pyocutaneous conditions and carbuncles.
Differences: Dahuang is more bitter and stronger in its purgative action, so it is an essential medicinal for constiopation due to heat stagnation. Dahuang can cool blood, resolve toxin , activate blood, resolve stasis and clear damp-heat. It is indicated to treat bleeding, which is due to blood-heat, excess-heat, blood-stasis, as wellas, damp-heat type jaundice. Mangxiao is salty and good at softening hardness and moistening dryness. So it is suitable for stagnation of dry feces due to excess heat. It can clear heat and dissipate swelling for external use to treat mastitis, sore and red eyes. In addition, it can stop lactation.

【应用】        1.积滞便秘。本品能泻下攻积,且性寒能清热,味咸润燥软坚,对实热积滞,大便燥结者尤为适宜。常与大黄相须为用,以增强泻下通便作用,如大承气汤、调胃承气汤(《伤寒论》)。近来临床亦常用于胆石症腹痛便秘者。       
 【用法用量】10~15g,冲入药汁内或开水溶化后服。外用适量。        【使用注意】孕妇及哺乳期妇女忌用或慎用。       
【古籍摘要】        1.《神农本草经》:“除寒热邪气,逐六腑积聚、结固、留癖,能化七十二种石。”        2.《珍珠囊》:“其用有三:去实热,一也;涤肠中宿垢,二也;破坚积热块,三也。”        3.《药品化义》:“味咸软坚,故能通燥结;性寒降下,故能去火烁。主治时行热狂,六腑邪热,或上焦膈热,或下部便坚。”       
【现代研究】        1.化学成分:主要含硫酸钠,尚含少量氯化钠、硫酸镁、硫酸钙等无机盐。     

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