风气草,中药名。为菊科植物下田菊Adenostemmalavenia(L.)O.Kuntze的全草。分布于我国大部分地区。具有清热解毒，祛风除湿之功效。用于感冒发热，黄疸肝炎，肺热咳嗽，咽喉肿痛，风湿热痹，乳痈，痈肿疮疖，毒蛇咬伤。
Feng-qi-cao, name of Chinese Medicinal Material. the whole plant of Adenostemma lavenia (L.) O. Kuntze, a plant of the Asteraceae family. It is distributed in most parts of China and is known for its effects of clearing heat, detoxification, dispelling wind, and removing dampness. It is used for conditions such as fever and common cold, jaundice hepatitis, lung heat cough, sore throat, rheumatism, mastitis, carbuncle, abscess, and snake bites.

功效作用 功能
Efficacy, function.

清热解毒，祛风除湿。主治
Clearing heat and detoxifying, dispelling wind and removing dampness. Mainly used for治疗.

用于感冒发热，黄疸肝炎，肺热咳嗽，咽喉肿痛，风湿热痹，乳痈，痈肿疮疖，毒蛇咬伤。用法用量
Indications: Used for fever due to common cold, jaundice hepatitis, lung heat cough, sore throat, rheumatism heat bi syndrome, breast abscess, carbuncle, furuncle, and snake bite. Dosage and Administration: [Please provide specific dosage and administration instructions.]

内服：煎汤，10-15g，鲜品加倍；或浸酒。外用：适量，捣敷。相关论述
Internal use: Decoction, 10-15g, double the amount for fresh herbs; or soak in alcohol. External use: Apply an appropriate amount topically after grinding. Related discussions.

1、《贵州民间草药》：“除风湿，解表。治风湿骨节疼痛，外感。”2、《云南中草药》：“外用治痈疮疖肿，无名肿毒，蛇咬伤。”临床应用 相关配伍

1. "Guizhou Folk Herbs": "Dispels wind and dampness, releases the exterior. Used to treat bone and joint pain caused by wind-dampness, as well as external pathogenic factors."2. "Yunnan Chinese Herbs": "Used externally to treat carbuncles, furuncles, swelling, unidentified swellings, and snake bites." Clinical applications and relevant combinations.

1、治外感：风气草、姨妈菜、生姜各9g。水煎服。（《贵州民间药物》）2、治急性传染性肝炎：鲜下田菊90-120g，或干品30-60g。水煎服，每日1剂。如黄疸已退，小便清利时，加瘦猪肉30g。忌酒。（《全国中草药新医疗法展览会资料选编》3、治风湿骨节痛：风气草120g，泡酒500g。早晚各服30g。（《贵州民间药物》）加工炮制 采收加工

1. Treatment for external pathogenic factors: 9g each of wind-dispelling herb, motherwort, and fresh ginger. Decoction and take orally. (From "Guizhou Folk Medicine")2. Treatment for acute infectious hepatitis: 90-120g of fresh field chrysanthemum, or 30-60g of dried field chrysanthemum. Decoction and take orally, one dose per day. If jaundice has subsided and urine is clear, add 30g of lean pork. Avoid alcohol. (From "Selected Materials from the National Exhibition of New Medical Treatments with Chinese Herbal Medicine")3. Treatment for rheumatic joint pain: 120g of wind-dispelling herb soaked in 500g of liquor. Take 30g in the morning and evening. (From "Guizhou Folk Medicine") Processing and preparation: Harvest and process.

夏、秋季采收，鲜用或切段晒干。药材鉴别 药材性状
Harvest in summer or autumn, use fresh or cut into sections and sun-dry. Identification of medicinal materials and their characteristics.

茎圆柱形，径约0.5-0.8cm，基部常弯曲并生有黄白色细根，上部浅紫红色，有细毛，断面有白色髓。叶皱缩，易破碎，展平呈卵圆形或卵状椭圆形，两面有疏短毛，边缘有粗圆齿。头状花序顶生，苞片黄绿色；花白色。瘦果近椭圆形，具腺点或细瘤状体。植物学信息 植物种属
The stem is cylindrical, with a diameter of about 0.5-0.8cm. The base is often curved and has yellow-white fine roots, while the upper part is light purple-red with fine hairs and a white pith in the cross-section. The leaves are wrinkled, fragile, and oval or ovate when flattened, with sparse short hairs on both sides and coarse rounded teeth on the edges. The capitulum inflorescence is terminal, with yellow-green bracts and white flowers. The achene is nearly elliptical, with glandular spots or slender tubercles. This botanical information pertains to a specific plant species.

菊科植物下田菊 。形态特征
Chrysanthemum indicum, a plant of the Asteraceae family. Morphological characteristics.

下田菊又名：汗苏麻。多年生草本，高30-100cm。茎直立，单生，通常上部叉状分枝，具白色短柔毛，下部或中部以下光滑无毛。叶对生；叶柄长1-6cm，有狭翼；叶基生者小，花期凋落，中部叶卵圆形或卵状椭圆形，长4-20cm，宽3-12cm，先端尖锐或钝圆，基部圆楔形或楔形，边缘有圆锯齿或大锯齿，两面疏被短毛。头状花序小，梗长1-3cm，直径7-10mm；总苞半球形，果期宽达10mm；总苞片2层，近等长，狭长椭圆形，长约5mm，先端圆钝，基部稍有连合；外层苞片大部合生，外面疏被白色长柔毛；管状花长约2.5mm，上部钟形，5齿裂；花柱分枝伸出。瘦果倒椭圆形，长约4mm，上部圆钝，下部狭，有腺点或细瘤；冠毛4枚，长约1mm，基部连合成环。花、果期9-10月。分布区域
Chrysanthemum indicum, also known as Han Suma, is a perennial herb that grows 30-100cm tall. The stem is erect, solitary, usually branching at the upper part, with white short soft hairs, smooth and hairless below the lower or middle part. The leaves are opposite; petioles are 1-6cm long, with narrow wings; basal leaves are small, falling during the flowering period, middle leaves are ovate or ovate-elliptic, 4-20cm long, 3-12cm wide, with sharp or blunt tips, rounded or wedge-shaped bases, with rounded serrations or large serrations on the edges, sparsely covered with short hairs on both sides. The capitulum is small, with a peduncle 1-3cm long, 7-10mm in diameter; the involucre is hemispherical, up to 10mm wide during fruiting; the involucral bracts are in 2 layers, nearly equal in length, narrowly elliptic, about 5mm long, with rounded tips, slightly connate at the base; the outer bracts are mostly connate, sparsely covered with white long soft hairs on the outside; the tubular flowers are about 2.5mm long, bell-shaped at the upper part, 5-toothed; the styles extend outwards. The achene is inverted-elliptic, about 4mm long, with a rounded blunt upper part, narrow lower part, glandular spots or small warts; the pappus consists of 4 awns, about 1mm long, connate at the base to form a ring. The flowering and fruiting period is from September to October. Distribution area.

分布于我国大部分地区。生长环境
Distributed in most regions of China. Growing environment.

生于水边、路旁、沼泽地及林下低湿处。
Born by the water, roadsides, marshes, and in damp areas under the forest.