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Longgu (Dragon Bone)---龙骨(powder100g/bottle)

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$20.32
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Product Description

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It is the fossil of bones of ancient large mammals, such as horse, rhinoceros, deer, oxen, elephant types or that of front teeth of elephant type. It can ve collected all year round and stored in dry places after earth and other impurities are removed. The raw or calcined ones are used as medicine.

[ Medicinal Properties  ]: Sweet, astringent and neutral; relate to heart, liver and kidney meridians.

[ Medicinal efficacies ]: Induce sedation and calm mind; pacify liver and subdue hyperactive yang; astringe and arrest discharge.

[ Clinical Applications ]: 1. Restlessness, palpitation, insomnia, fright epilepsy ad mania      It is used together with Zhusha, Yuanzhi and Suanzaoren; also with Muli in Jiuni Decoction.

2. Yin deficiency and yang hyperactivity manifested as irritability and dizziness     To treat yin deficiency leading to hyperactivity of yang resulting in irritability and dizziness, it is combined with Muli, Baishao anad Daizheshi in Zhengan Xifeng Decoction.

3. Loss and consumption syndromes        For kidney deficiency causing emission, it is used with Muli, Shayuangzi and Qianshi; for reddish leukorrhea and menorrhagia, with Muli, Haipiaoxiao and Shanyao; for sweating due to deficiency, usually with Muli, Fuxiaomai and Wuweizi.

In addition, Duanlonggu (calcined Longgu) can be ground into powder for external application  with the functions of absorbing moisture and healing ulcers, so it is used for exudative prurigo and unhealed carbuncles after evacuation of pus.

[ Usage and Dosage ]: 15-30g, decoct first. It is used externally with appropriate dosage. The calcined are used for astringing and the raw in other cases.

[ Annotation ]: Long chi      It has the same source with Longgu; the fossil of bones and teeth of ancient large mammals. It is  collected after removing earth and knocking away gums when Longgu is collected. The raw or calcined are ground into powder to treat diseases. It is sweet, astringent, cold, and attributive to the heart and liver meridian. Compared with Longgu, it is more effective to induce sedation and calm spirit and so mainly treats fright epilepsy, mania, palpitation, insomnia and frequent dreams. It has the same usage and dosage with Longgu.

龙骨为古代大型哺乳类动物象类、三趾马类、犀类、鹿类、牛类等骨骼的化石。主产于山西、内蒙古、河南、河北、陕西、甘肃等地。全年可采,挖出后,除去泥土及杂质,贮于干燥处,生用或煅用。

       【药性】甘、涩,平。归心、肝、肾经。       
 
【功效】镇惊安神,平肝潜阳,收敛固涩。       
 
【应用】        1.心神不宁,心悸失眠,惊痫癫狂。本品质重,入心、肝经,能镇静安神,为重镇安神的常用药。用治心神不宁,心悸失眠,健忘多梦等证,可与菖蒲、远志等同用,如孔圣枕中丹(《千金方》);也常与酸枣仁、柏子仁、朱砂、琥珀等安神之品配伍;治疗痰热内盛,惊痫抽搐,癫狂发作者,须与牛黄、胆南星、羚羊角、 钩藤等化痰及息风止痉之品配伍。       
 
2.肝阳眩晕。本品入肝经,质重沉降,有较强的平肝潜阳作用,故常用治肝阴不足,肝阳上亢所致的头晕目眩,烦躁易怒等症,多与代赭石、生牡蛎、生白芍等滋阴潜阳药同用,如镇肝息风汤(《医学衷中参西录》)。       
 
3.滑脱诸证。本品味涩能敛,有收敛固涩功效,通过不同配伍可治疗遗精、滑精、尿频、遗尿、崩漏、带下、自汗、盗汗等多种正虚滑脱之证。用于治疗肾虚遗精、滑精,每与芡实、沙苑子、牡蛎等配伍,如金锁固精丸(《医方集解》);治疗心肾两虚,小便频数,遗尿者,常与桑螵蛸、龟甲、茯神等配伍,如桑螵蛸散(《本草衍义》);治疗气虚不摄, 冲任不固之崩漏,可与黄芪 、乌贼骨 、五倍子等配伍,如固冲汤(《医学衷中参西录》); 治疗表虚自汗,阴虚盗汗者,常与牡蛎、浮小麦、五味子、生地黄、黄芪等同用;若大汗不止,脉微欲绝的亡阳证,可与牡蛎、人参、附子同用,以回阳救逆固脱。       
 
 4.湿疮痒疹,疮疡久溃不敛。本品性收涩,外用有收湿、敛疮、生肌之效,可用治湿疮流水,阴汗瘙痒,常配伍牡蛎研粉外敷;若疮疡溃久不敛,常与枯矾等份,共研细末,掺敷患处。       
 
【用法用量】煎服,15~30g;宜先煎。外用适量。镇静安神, 平肝潜阳多生用。收敛固涩宜煅用。       
 
【使用注意】湿热积滞者不宜使用。       
 
【古籍摘要】        1.《神农本草经》:“龙骨味甘平,主……咳逆,泄痢脓血,女子漏下,癥瘕坚结,小儿热气惊痫。齿主小儿大人惊痫癫疾狂走。”       
 
2.《本草纲目》:“益肾镇惊,止阴疟,收湿气,脱肛,生肌敛疮。”       
 
 3.《本草从新》:“龙骨,甘涩平……能收敛浮越之正气,涩肠,益肾,安魂镇惊,辟邪解毒,治多梦纷纭、惊痫、疟、痢、吐衄崩带、滑精、脱肛、大小肠利。固精、止汗、定喘、敛疮,皆涩以止脱之义。”       
 
【现代研究】        1.化学成分:本品主要含碳酸钙,磷酸钙。尚含铁、钾、钠、氯、铜、锰、硫酸根等。       
 
 2.药理作用:龙骨水煎剂对小鼠的自主活动有明显抑制作用,能明显增加巴比妥钠小鼠的入睡率;具有抗惊厥作用,其抗惊厥作用与铜、锰元素含量有关;所含钙离子,能促进血液凝固,降低血管壁通透性。并可减轻骨骼肌的兴奋性。       
 
 3.临床研究:据报道,用龙牡壮骨冲剂治疗佝偻病,能明显改善小儿多汗、夜惊、夜啼、发稀、齿迟和发育迟缓等症状。(实用儿科杂志,1990,4:211);用龙骨、炉甘石、儿茶各10g,轻粉2g,冰片1g,制为散剂外用,可治疗内外痔、混合痔(临床医学,1988,9:402)另有用龙骨等治疗精神分裂症,胃及十二指肠溃疡, 小儿腹泻等。       
 
4.不良反应:在加工龙骨粉时,引起过敏反应2例。表现为裸露部位发痒、出现红色疹子、局部浮肿等,另有服龙骨煎剂致严重心律失常1例。       
 
 附药 龙齿        为古代多种大型哺乳动物的牙齿骨骼化石。采挖龙骨时即收集龙齿,刷净泥土,敲去牙床,研碎生用或煅用。性味甘、涩,凉。归心、肝经。功能镇惊安神,主要适用于惊痫癫狂、心悸怔忡、失眠多梦等证。用法、用量与龙骨相同。生龙齿功专镇惊安神;煅龙齿则略兼收涩之性。       

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