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Daizheshi (Hematite)---代赭石(powder100g/bottle)

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Product Description

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Zheshi is the hematite, pertaining to corundum ofoxides ore. As it is mainly from Shanxi Province (known as Dai Shire in ancient time), often it called "Daizheshi". After removing other stones, it is pounded. The raw form is used or after tempered in vinegar and groud into powder.

[ Medicinal Properties ]: Bitter and cold; relate to liver and heart meridians.

[ Medicinal Efficacies ]: Pacify liver, subdue yang, check adverse rise of qi with heavy settling; cool blood and stop bleeding.

[ Clinical Applications ]: 1. Dizziness, dizzy vision and headache       It treats dizziness, vertigo, distending eyes and tinnitus, due to hyperactivity of liver yang, usually combined with Niuxi and Shenglonggu, such as in Zhengan Xifeng Decoction. In case of dizziness, headache, irritation and insomnia due to up-flaming of liver fire, it is combined with Zhenzhumu and Cishi.

2. Vomiting, hiccup and belching        Usually it is combined with Xuanfuhua and Banxia; for example in Xuanfu Daizhe Decoction. For dysphagia with Fuiling to intake food, and dry stool, usually it is combined with Dangshen and Danggui.

3. Reversed flow of qi and dyspnea      For dyspnea of deficiency type due to deficiency of lung-kidney or deficiency of both yin and yang, usually combined with Dangshen and Shangzhuyu; for example in Shenzhe Zhengqi Decoction. It treats cough and dysnpea due to lung heat, combined with Sangbaipi and Zisuzi.

4. Hematemesis, epistaxis, metrorrhagia and metrostaxis       It treats hematemesis, epistaxis, uneasiness and heat in chest due to adverse rising of stomach qi, in combination with Baishao and Zhuru, such as in Hanjiang Decoction. For metrorrhagia and metrostaxis due to blood heat, it is usually combined with Yuyuliang and Chishizhi; for example in Zhenling Pills.

[ Usage and Dosage ]: 10-30g. It is pounded and then decocted first when it is used in decoction. When it is used in pills and powders, the dosage is 1-3g. Also it is used externally. For checking adverse rise of qi and pacifyig liver, the raw form is used, while for stop bleeding it is used after calcined.

[ Precautions ]: Be cautious for pregnant woman. It contains minute amount of Arsenicum, so cannot be used for long time.

代赭石为三方晶系氧化物类矿物赤铁矿Haematitum的矿石。主产于山西、河北、河南、山东等地。开采后,除去杂石泥土,打碎生用或醋淬研粉用。

       【药性】苦,寒。归肝、心经。        【功效】平肝潜阳,重镇降逆,凉血止血。       
 
【应用】        1.肝阳上亢,头晕目眩。本品为矿石类药物,质重沉降,长于镇潜肝阳;又性味苦寒,善清肝火,故为重镇潜阳常用之品。用于肝阳上亢所致的头目眩晕、目胀耳鸣等症,常与怀牛膝、生龙骨、生牡蛎、生白芍等滋阴潜阳药同用,如镇肝息风汤,建瓴汤(《医学衷中参西录》);若肝阳上亢,肝火上升所致的头晕头痛,心烦难寐,可配珍珠母、磁石、猪胆膏、冰片、半夏等,如脑立清(《上海市药品标准》)。借其重镇、清肝之效,亦可用治小儿急慢惊风,吊眼撮口,搐搦不定,如《仁斋直指方》单用本品醋煅,细研水飞白汤调下。       
 
 2.呕吐,呃逆,噫气。本品质重性降,为重镇降逆要药。尤善降上逆之胃气而具止呕、止呃、止噫之效。用治胃气上逆之呕吐、呃逆、噫气不止等证,常与旋覆花、半夏、生姜等配伍,如旋覆代赭汤(《伤寒论》);若治噎膈不能食,大便燥结,配伍党参、当归、肉苁蓉等,如参赭培气汤(《医学衷中参西录》);治疗宿食结于肠间,胃气上逆不降,大便多日不通者,可配伍甘遂、芒硝、干姜等同用,如赭遂攻结汤(《医学衷中参西录》)。       
 
 3.气逆喘息。本品重镇降逆,亦能降上逆之肺气而平喘。用治哮喘有声,卧睡不得者,《普济方》单用本品研末,米醋调服取效;用治肺肾不足,阴阳两虚之虚喘,每与党参、山茱萸、胡桃肉、山药等补肺肾纳气药同用,如参赭镇气汤(《医学衷中参西录》);若治肺热咳喘者,可与桑白皮、苏子、旋覆花等同用。       
 
4.血热吐衄,崩漏。本品苦寒,入心肝血分,有凉血止血之效。又本品善于降气、降火,尤适宜于气火上逆,迫血妄行之出血证。可单用,如《头门方》以本品煅烧醋淬,研细调服,治吐血、衄血;《普济方》用代赭石研为细末,醋汤调服,治崩中淋沥不止;如因热而胃气上逆所致吐血、衄血、胸中烦热者,可与白芍、竹茹、牛蒡子、清半夏等配伍,如寒降汤(《医学衷中参西录》);用治血热崩漏下血,可配伍禹余粮、赤石脂、五灵脂等,如震灵丹(《和剂局方》)。       
 
 【用法用量】煎服,10~30g;宜打碎先煎。入丸、散,每次1~3g。外用适量。降逆、平肝宜生用,止血宜煅用。       
 
【使用注意】孕妇慎用。因含微量砷,故不宜长期服用。       
 
【鉴别用药】代赭石与磁石均为铁矿石类重镇之品,均能平肝潜阳、降逆平喘,用于肝阳上亢之眩晕及气逆喘息之证。然代赭石主入肝经,偏重于平肝潜阳、凉血止血,善降肺胃之逆气而止呕、止呃、止噫;磁石主入肾经,偏重于益肾阴而镇浮阳、纳气平喘、镇惊安神。       
 
【古籍摘要】        1.《神农本草经》:“腹中毒邪气,女子赤沃漏下。”       
 
 2.《别录》:“主带下百病,难产,胞衣不出,堕胎,养血气,除五脏血脉中热。”       
 
 3.《医学衷中参西录》:“能生血兼能凉血,而其质重坠,又善镇逆气,降痰涎,止呕吐,通燥结。”又“治吐衄之证,当以降胃为主,而降胃之药,实以赭石为最效。”       
 
【现代研究】        1.化学成分:本品主含三氧化二铁(Fe2O3)。正品钉头赭石含铁60%以上,并含镉、钴、铬、铜。锰、镁等多种微量元素;尚含对人体有害的铅、砷、钛。       
 
2.药理作用:本品对肠管有兴奋作用,可使肠蠕动亢进;所含铁质能促进红细胞及血红蛋白的新生;对中枢神经系统有镇静作用。       
 
3.临床研究:据报道,用代赭石30~60g研细末,水煎取浓汁100ml,分为3次口服,治疗腹部术后顽固呃逆,一般服药3小时后可使呃逆症状明显减少或消失(山东中医杂志,2000,11:667);用代赭石、芦荟各30g,研细末制成丸剂。每服6g,治疗顽固性便秘500余例,均获满意效果(山东中医杂志,1983,3:28)。
 
另有用代赭石等治疗牙痛、脱发、梅核气、胆汁返流性胃炎等。       

 

 


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