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Huashi (Talc)---滑石

Price:
$7.87
Weight:
1.00 LBS
Shipping:
Calculated at checkout


Product Description

huashi-yinpian-l.jpg

It is the steatite of the silicate, mineral, family Talcum. The main medicinal component is [ Mg3 · (Si4O10) · (OH)2 ] and water. It can be harvested and collected all the year round. After being collected, the earth is removed, it is cleans and broken into pieces, or refined with water.

[ Medicinal Properties ]: Sweet, bland and cold; relate to the bladder, lung and stomach meridians.

[ Medicinal Efficacies ]: Promote diuresis to relive stranguria; clear away sumer-heat; dispel dampens and promote healing sore.

[ Usage and Dosage ]: 10-20g is used for oral use, Fei-Huashi must be decocted in a packet , appropriate amount for external use.

[ Clinical Applications ]: 1. Heat stranguria, stony stranguria     It is cold and slippery in nature and it has the function of clearing heat accumulation in bladder, as well as , benefits the lower orifices. It is the main medicnal for treating heat stanguria and astringent pain, in combination with Cheqianzi, Mutong and Qumai, such as, in the Bazheng Powder. For stony stranguria, it is often combined with Haijinsha, Jinqiaocao and Mutong, such as in the erjin Paishi Decoction.

2. Restlessness and thirst due to summer-heat-dampness, early stage of damp-warmth     In treating restlessness, thirst adn dysuria, due to Summer-heat-dampness, it is often combined with Gancao, such as in the Liuyi Powder. In the begining of damp-warmth, manifesting as headache, heavy sensation in the body, and oppression of the chest, it can be combiend with Xingren, Doudou and Yiyiren, such as in the San Ren Decoction. For watery diarrhea, due to damp-heat, it can be used with Cheqiaqnzi, Yiyiren and Fuling.

3. Eczema, damp sores, malaria     It has functin of clearing heast, absorbing dampness and astringing sores for external use, in traeting eczema, damp sores, malaria and other skin conditins, it can be utilized by itself, or combined with other medicinals, for external application on the affected area.

[ Medicial Comparison ]: Similarities: Cheqianzi and Huashi are all cold in nature, have the same action of clearig away heat, promoting diuresis to relive stranguria, especially treating for stranguria pain of damp-heat type and edema.

Differences: Cheqianzi especially has the actio of draining dampness to stop diarrhea, clear away liver-fire to improve vision and clear away lung to resolve phlegm, in treating for diarrhea due to sumer-heat-dampness, conjunctivitis due to liver-heat, cough due to phlegm-heat. Huashi has the actin of clearing away summer-heat, dispelling dampness and promoting to heal sore, in treating for restlessness ad thirst due to summer-heat-dampness, early stage of damp-warmth and eczema, damp sores, heat malaria and other skin disease.

滑石为硅酸盐类矿物滑石族滑石,主含含水硅酸镁[ Mg3 · (Si4O10) · (OH)2 ],主产于山东、江西、山西、辽宁等地。全年可采。采挖后,除去泥沙及杂石,洗净,砸成碎块,研粉用,或水飞晾干用。

      
【药性】甘、淡,寒。归膀胱、肺、胃经。        【功效】利尿通淋,清热解暑,收湿敛疮。       
 
【应用】        1.热淋,石淋,尿热涩痛。滑石性滑利窍,寒则清热,故能清膀胱湿热而通利水道,是治淋证常用药,若湿热下注之小便不利,热淋及尿闭等,常与木通、车前子、瞿麦等同用,如八正散(《和剂局方》);若用于石淋,可与海金沙、金钱草、木通等配用。       
 
 2.暑湿,湿温。本品甘淡而寒,既能利水湿,又能解暑热,是治暑湿之常用药。若暑热烦渴,小便短赤,可与甘草同用,即六一散(《伤寒标本》);若湿温初起及暑温夹湿,头痛恶寒,身重胸闷,脉弦细而濡,则与薏苡仁、白蔻仁、杏仁等配用,如三仁汤(《温病条辨》)。       
 
3.湿疮,湿疹,痱子。本品外用有清热收湿敛疮作用。治疗湿疮,湿疹,可单用或与枯矾、黄柏等为末,撒布患处;治痱子,则可与薄荷、甘草等配合制成痱子粉外用。        【用法用量】煎服,10~20g。宜包煎。外用适量。       
 
【使用注意】脾虚、热病伤津及孕妇忌用。       
 
【古籍摘要】        1.《神农本草经》:“主身热泄澼,女子乳难,癃闭,利小便,荡胃中积聚寒热。”        2.《本草纲目》:“滑石利窍,不独小便也。上能利毛腠之窍,下能利精溺之窍。盖甘淡之味,先入于胃,渗走经络,游溢精气,上输于肺,下通膀胱。肺主皮毛,为水之上源。膀胱司津液,气化则能出。故滑石上能发表,下利水道,为荡热燥湿之剂。”        【现代研究】        1.化学成分:本品含硅酸镁、氧化铝、氧化镍等。     
 
 2.药理作用:本品有吸附和收敛作用,内服能保护肠壁。滑石粉撒布创面形成被膜,有保护创面,吸收分泌物,促进结痂的作用。在体外,10%滑石粉对伤寒杆菌、甲型副伤寒杆菌有抑制作用。       
 
3.临床研究:据报道,用蒲黄,滑石粉,口服,治急性肾小球肾炎,急、慢性肾盂肾炎,急性膀胱炎、尿道炎,泌尿系结石及其他继发性泌尿系出血症,有效(中医杂志,1988,7:43)。 采用胸腔
镜及胸腔闭式引流管直接注入滑石粉的治疗方法,治疗肺大疱所致气胸,成功率高,并发症少(中国临床医生,2001,8:26)。       
 
4.不良反应:滑石在直肠、阴道或创面等处可引起肉芽肿,滑石粉又常用作避孕器具及会阴的撒布剂,常如此应用,其卵巢癌发生率比不用者高约3倍。故滑石不宜久服与久用。       

 


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