毒芹根，中药名。为伞形科植物毒芹CicutavirosaL.的根和根茎。分布于东北、华北及陕西、甘肃、四川、新疆等地。具有拔毒，祛瘀，止痛之功效。常用于急、慢性骨髓炎，痛风，风湿痛。
Du-qin-gen, name of Chinese Medicinal Material. Cicuta virosa L.). It is the root and rhizome of the umbrella plant Cicuta virosa L. It is distributed in Northeast China, North China, Shaanxi, Gansu, Sichuan, Xinjiang, and other places. It has the functions of detoxification, promoting blood circulation to remove blood stasis, and relieving pain. It is often used for acute and chronic osteomyelitis, gout, and rheumatic pain.

功效作用 功能
Efficacy, function.

拔毒，祛瘀，止痛。主治
Detoxify, eliminate stasis, relieve pain. Mainly used for...

急、慢性骨髓炎，痛风，风湿痛。用法用量
Acute and chronic osteomyelitis, gout, rheumatic pain. Dosage and administration.

外用：适量，捣敷；或研末调敷。注意事项
External use: Apply an appropriate amount by pounding and applying; or grind into powder and apply. Pay attention to the precautions.

本品有剧毒，严禁内服。~《黑龙江中药》：“根茎味甜，故能引诱误食招致中毒。”药理作用
This product is highly toxic and should not be taken internally. According to "Heilongjiang Traditional Chinese Medicine": "The sweet taste of the roots and rhizomes can inadvertently lead to poisoning." Pharmacological effects.

毒芹根中所含毒芹素有印防己毒素样作用。相关论述
The toxic substance contained in the root of poison hemlock, coniine, has a toxic effect similar to that of aconitine. This is a related discussion.

1、《辽宁常用中草药手册》：“治疗急性或慢性骨髓炎已成瘘道或长期不愈者。”2、《新疆中草药》：“消肿杀虫。灭蝇蛆。”3、《全国中草药汇编》：“拔毒祛瘀，灭臭虫。”4、《东北药用植物》：“治慢性发疹病，癫痫，破伤风，产褥期痉挛，痛风或风湿，神经痛。”临床应用 相关配伍

1. "Handbook of Commonly Used Herbal Medicines in Liaoning Province": "For the treatment of acute or chronic osteomyelitis that has formed a fistula or has not healed for a long time." 2. "Xinjiang Herbal Medicine": "Reduce swelling and kill parasites. Eliminate flies and maggots." 3. "Compilation of Chinese Herbal Medicines Nationwide": "Detoxify, remove blood stasis, and eliminate foul insects." 4. "Medicinal Plants in Northeast China": "Used in the treatment of chronic eruptive diseases, epilepsy, tetanus, postpartum spasms, gout or rheumatism, and neuralgia." Clinical applications and relevant compatibility.

治骨髓炎：毒芹根适量。洗净后，以石器捣碎（忌铁器），晾干，研成细末，以鸡蛋清调后敷疮面；或用鲜毒芹捣碎，调鸡蛋清敷疮面。每日上药1次，连上3-5次。（辽宁《中草药新医疗法资料选编》）加工炮制 采收加工
Treatment for osteomyelitis: Use an appropriate amount of poison hemlock root. After washing it clean, crush it with a stone tool (avoid using iron tools), dry it, grind it into a fine powder, mix it with egg white, and apply it to the wound; or crush fresh poison hemlock, mix it with egg white, and apply it to the wound. Apply the medicine once a day, for 3-5 consecutive days. (Selected Compilation of New Medical Treatment Methods of Chinese Herbal Medicine in Liaoning Province) Processing and preparation: Harvest and process.

春、夏、秋季采挖，除去地上部分，洗净，鲜用或晒干。药材鉴别 药材性状
Harvest in spring, summer, and autumn, remove the aboveground parts, wash and clean them, and use them fresh or dry them in the sun. Identification of medicinal materials and their properties.

根茎粗大，短柱状或块状，长2-4（-5）cm，直径2-3.5cm。表面棕横色或枯草黄色，纵切面观可见髓部中空并具若干横隔；顶端连接粗大茎基，茎中空，节处有横隔；条状须根多数，生块茎上者簇生，生茎基上者于节部轮生，长8-15cm，直径2-4mm，表面黄棕色，具纵皱纹，并见支根或支根痕。质松，易折断，断面黄白色，皮部多见裂隙及多数棕色细点状油室，木部圆形，亦见径向裂隙。气特异而久贮转微弱，味微辛。植物学信息 植物种属
The rhizome is thick, short columnar or block-shaped, 2-4 (-5) cm long, and 2-3.5 cm in diameter. The surface is brownish or dried grass yellow. Upon longitudinal sectioning, the medulla is hollow with several transverse septa visible. At the top, it connects to a thick stem base, which is hollow with septa at the nodes. There are numerous fibrous roots, clustered on the rhizome, arising from the stem base, and whorled at the nodes, 8-15 cm long, 2-4 mm in diameter, yellow-brown on the surface with longitudinal wrinkles, and visible adventitious roots or scars. The texture is loose, easily breakable, with a yellow-white cross-section. The bark shows many cracks and numerous brownish oil cells, while the wood is circular with radial clefts. The scent is distinctive and long-lasting, gradually weakening upon storage, with a slightly pungent taste. Botanical information on plant species.

伞形科植物毒芹。形态特征
Poison hemlock, a plant in the Umbelliferae family. Morphological characteristics.

毒芹，又名走马芹、河毒、野胡萝卜、野芹。多年生粗壮草本，高60-120cm。全株无毛。主根短缩，支根多数；根状茎绿色，内有明显横膈膜。茎单生，圆筒形，中空，有条纹，基部有时略带淡紫色，上部有分枝，枝条上升开展。叶片轮廓呈三角形或三角状披针形，长10-20cm，二至三回羽状分裂；最下部的羽片3裂至羽裂，裂片线状披针形或窄披针形，长1.5-6cm，宽3-10mm，边缘疏生钝或锐锯齿，两面无毛或脉上有糙毛；较上部的茎生叶分裂，形状同基生叶；最上部的茎生叶一至二回羽状分裂，末回裂片狭披针形，长1-2.5cm，宽2-5mm，边缘疏生锯齿。复伞形花序顶生或腋生，花序梗长2.5-10cm，无毛；总苞片1或无，线形；伞辐6-25；小总苞片多数，线状披针形。小伞形花序有花15-35；萼齿明显，卵状三角形；花瓣白色，倒卵形或近圆形，先端有内折的小舌片；花柱基扁压。双悬果近卵圆形，长、宽均2-3mm，合生面收缩，主棱阔，木栓质，每棱槽内有油管1，合生面2，胚乳腹面微凹。花果期7-8月。分布区域
Poison hemlock, also known as Conium, river poison, wild carrot, and wild celery. It is a perennial, robust herbaceous plant, reaching a height of 60-120cm. The entire plant is hairless. It has a short, thick main root with many secondary roots; the rhizome is green with distinct transverse partitions. The stem is solitary, cylindrical, hollow, striped, and sometimes slightly purplish at the base. It branches out in the upper part. The leaves are triangular or triangular-lanceolate in outline, 10-20cm long, and bipinnately divided two to three times; the lowermost leaflets are 3-lobed to pinnatifid, linear-lanceolate or narrowly lanceolate, 1.5-6cm long, 3-10mm wide, sparsely serrate or sharply serrate along the margins, hairless on both surfaces or rough-haired on the veins. The stem leaves above are similarly divided as the basal leaves. The uppermost stem leaves are once or twice pinnately divided, with the terminal lobes narrowly lanceolate, 1-2.5cm long, 2-5mm wide, sparsely serrate. The compound umbels are terminal or axillary, with a peduncle 2.5-10cm long, hairless; there is usually 1 linear bract or none; 6-25 rays in the umbel; numerous linear-lanceolate bracteoles. Each small umbel contains 15-35 flowers; the calyx teeth are distinct, ovate-triangular; the petals are white, obovate or nearly circular, with an inwardly folded small tongue at the apex; the styles are flattened at the base. The paired fruits are nearly oval, 2-3mm long and wide, with the adaxial surface contracted, broad primary ridges, woody corky texture, one oil duct in each furrow, two on the adaxial surface, and a slightly concave ventral face of the endosperm. The flowering and fruiting period is in July-August. Distribution area.

分布于东北、华北及陕西、甘肃、四川、新疆等地；江苏兴化历史上有栽培。生长环境
Distributed in Northeast China, North China, Shaanxi, Gansu, Sichuan, Xinjiang, etc.; historically cultivated in Xinghua, Jiangsu. Growth environment.

生于海拔400-2900m的杂木林下、沟边、沼泽地、湿地。
Grows in mixed forests, along ravines, marshes, and wetlands at altitudes ranging from 400 to 2900 meters.