Xuanshen Radix Scrophulariae - Chinese medicinal herbs for eliminating heat and dampness

Xuanshen Radix Scrophulariae - Chinese medicinal herbs for eliminating heat and dampness

The source is from the root of Scrophalaria ningpoensis Hemsl, family Scrophulariaceae. The medicinal material is mainly produced in the reaches of Yangtze River and provinces of Shaanxi, Fujian, and so on. Besides, many plants are cultivated in Zhejiang province, and their roots are dug and collected in early stage of winter, piled up in the sun until the interior of the roots becomes black, and then are dried in the sun, cut into pieces and the crude form can be used.

Medicinal Properties Bitter, sweet and salty in flavor, cold in nature and attributive to the lung, stomach and kidney meridians.
Actions: Clear away heat and cool the blood, nourish yin and promote the production of the body fluids, relieve toxin and benefit the throat.

Application
1. For seasonal febrile diseases involving yingfen and xuefen, consuming yin and causing blood-heat, which are manifested as fever, maculae, oral dryness, and red and crimson tongue, etc., it is usually combined with Shengdihuang (Radix Rehmanniae), Lianqiao ( Fructus Forsythiae), and Jinyinhua ( Flos Lonicerae ), etc., such as Qingying Tang (Decoction); for febrile diseases causing pyrosyndrome involving both qifen and xuefen, macules and skin rash, it can also be combined with Shigao ( Gypsum Fibrosum), Zhimu (Rhizoma Anemarrhenae), Daqingye (Folium Isatidis), etc., so as to strengthen the action of clearing away heat and purging fire, relieving toxin, or letting out the skin eruptions and resolving macules.

2. It is used for carbuncle of heat type, scrofula and subcutaneous nodule. For carbuncle and pyocutaneous disease, it is usually combined with Jinyinhua (Flos Lonicerae ) , Lianqiao Fructus Forsythiae ) and others that can clear away heat and relieve toxin; for scrofula and subcutaneous nodule, combined with Muli (Concha Ostreae ) , Beimu ( Bulbus Fritillariae Thunbergii ), etc. which can together clear away heat, relieve toxin and disperse the stagnated mass.
3. It is used for yin-deficiency leading to hyperactivity of fire. For deficiency of lung and kidney yin manifested as cough, dryness of throat, hectic fever, night sweet and hemoptysis, it is combined with Shengdihuang (Radix Rehmanniae ), Maimendong (Radix Ophiopogonis ), Beimu (Butbus Fritillariae Thunbergii) and others that can nourish yin and resolve phlegm; for bone steaming and consumptive fever, combined with Dignpi (Cortex Lycii Radicis ), Mudanpi ( Cortex Moutan Radicis ), etc; for diabetes of heat type, used together with Maimendong (Radix Ophiopogonis ) and Wuweizi (Fructus Schisandrae ).

4. It is used for swollen and sore throat. Being a common medicinal herb to treat swollen and sore throat, it can always be combined with according to syndrome, whether sore throat is caused by exogenous wind and heat, or by sthenic-heat of lung meridian or by hyperactivity of fire due to yin deficiency; for that caused by exogenous wind and heat, usually combined with Niubangzi (Fructus Arctii ) and Bohe ( Herba Menthae) ; for that caused by hyperactivity of fire due to yin deficiency, usually combined with Maimendong (Radix Ophiopogonis ), Jiegeng (Radix Platycodi) and Gancao ( Radix Glycyrrhizae), such as Xuan Mai Gan Jie Tang (Decoction).

Usage and Dosage 10 -15 g is used in decoction for oral use.
Notes Being cold and stagnated in nature, it is contraindicated in the case with deficiency and cold of the spleen and stomach marked by loss of appetite and loose stool. It is incompatible with Lilu (Rhizoma et Radix Veratri ) .

More information： Heabal-tea : Xuanshen Radix Scrophulariae
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