沙糖根，中药名。为茜草科植物小头凉喉茶HedyotiscapitellataWall.exG.Don[Oldenlandiacapitellata（Wall.exG.Don）O.Ktunze]的全株。分布于广东、广西、云南。具有散寒截疟，养血通络之功效。常用于风寒感冒，疟疾，妇女月经不调，产后乳汁不通，干咳，漆疮，骨折伤损。
Sha-tang-gen, name of Chinese Medicinal Material. The whole plant of Hedyotis capitellata Wall.ex G.Don [Oldenlandia capitellata (Wall.ex G.Don) O.Ktunze], a plant of the Rubiaceae family. It is distributed in Guangdong, Guangxi, and Yunnan. It has the functions of dispersing cold, stopping malaria, nourishing blood, and promoting blood circulation. It is commonly used for wind-cold colds, malaria, irregular menstruation in women, insufficient milk production after childbirth, dry cough, eczema, and bone fractures and injuries.

功效作用 Efficacy and Functions

散寒截疟，养血通络。
Dispersing cold and stopping malaria, nourishing blood and promoting circulation.

主治 Indications

用于风寒感冒，疟疾，妇女月经不调，产后乳汁不通，干咳，漆疮，骨折伤损。
Used for wind-cold type of common cold, malaria, irregular menstruation in women, blocked milk flow after childbirth, dry cough, eczema, and bone fractures.

用法用量 Dosage and Administration

内服：煎汤6-15g。外用：适量，鲜品捣敷；或煎水洗。
Internal use: Decoction, 6-15g. External use: appropriate amount, fresh product pounded for application; or decocted for washing.

相关论述 Relevant Discussions

1、《云南中草药》：“淡，温。”

1. "Yunnan Traditional Chinese Medicine": "Mild, warm."

2、《西双版纳傣药志》：“性凉，味微苦。”
2. "Xishuangbanna Dai Medicine Records": "Cool in nature, slightly bitter in taste."

3、《云南中草药》：“散寒通络，养血，截疟。主治疟疾，感冒，骨折，气血亏损。”
3. "Yunnan Traditional Chinese Medicine": "Disperses cold, promotes circulation, nourishes blood, and stops malaria. Used for treating malaria, colds, fractures, and deficiency of qi and blood."

4、《西双版纳傣药志》：“治月经不调，乳汁不通，痢疾，干咳，漆树过敏。”
4. "Xishuangbanna Dai Medicine Records": "Used for irregular menstruation, blocked milk ducts, dysentery, dry cough, and allergic reactions to lacquer trees."

临床应用 Clinical Applications

1、治疟疾、感冒：沙糖根全株10-15g。水煎服。

1. Treatment of malaria and cold: 10-15g of the whole plant of Sand Ginger, decocted in water and taken orally.

2、治骨折：鲜沙糖根适量。捣烂包患处。
2. Treatment of fractures: Fresh Sand Ginger roots in appropriate amount, mashed and applied to the affected area.

3、治气血亏损：沙糖根之根6g。泡酒服。（1-3方出自《云南中草药》）
3. Treatment of deficiency of qi and blood: 6g of Sand Ginger roots, soaked in alcohol and taken orally. (Prescriptions 1–3 are from "Yunnan Traditional Chinese Medicine")

加工炮制 Processing and Preparation

采收加工：全年均可采，洗净，鲜用或切片晒干。
Harvesting and processing: Can be harvested all year round, washed, used fresh or sliced and dried in the sun.

植物学信息 Botanical Information

植物种属：茜草科植物小头凉喉茶。
Species: Scrophulariaceae plant — Small Head Cooling Throat Tea (Hedyotis capitellata).

形态特征 Morphological Characteristics

小头凉喉茶又名头状花耳草。亚灌木状攀援藤本，长1-3m。单叶对生；叶柄长3-5mm；托叶长3-4mm；叶片膜质，卵状椭圆形或披针形，长6-10cm，宽1.5-3cm，先端尖，基部圆，全缘，上面深绿色，下面棕色，叶脉3-5对。头状聚伞花序，顶生或腋生；花淡绿色。蒴果小。种子多数，很小。花，果期3-11月。
Xiao Touding Hou Cha, also known as Houtouhua'ercao, is a sub-shrub climbing vine, 1-3m long. Leaves are opposite; petioles 3-5mm long; stipules 3-4mm long; leaf blades membranous, ovate-elliptic or lanceolate, 6-10cm long, 1.5-3cm wide, acute at apex, rounded at base, with entire margins, dark green above, brown beneath, bearing 3-5 pairs of veins. Inflorescences are head-like cymes, terminal or axillary; flowers pale green. Capsules are small. Seeds numerous and minute. Flowering and fruiting occurs from March to November.

分布区域 Distribution Area

分布于广东、广西、云南。
Distributed in Guangdong, Guangxi, and Yunnan.

生长环境 Growing Environment

生于山野疏林、灌木丛中。
Found in mountainous areas, sparse forests, and thickets.