恶桑螵蛸、桔梗、茯苓、萆 。
苦，寒，微咸，无毒，性燥。足太阴、阳明药也，兼入手太阴、阳明。除一切风痹，治
诸般
黄胆。女子阴肿，小儿惊痫，两足肌死，四肢筋弱。头痛目痛之时疾，风疮疥癞之旧 。
鼠已破，出脓血，煎服，当吐若鼠子也。（验方第一。）
产后中风，人虚不可服他药，一味白鲜皮，新水煎服。（第二。）
生上谷及兖州等处。二月采。今河中、江宁、滁州、润州皆有之，以蜀中者为良。苗高
尺余
，茎青，叶稍白，如槐，亦似茱萸。四月开花淡紫色。根似小蔓荆，皮黄白而心实。
炒用。本名玄胡索，宋时避真宗讳，改玄为延。今后避庙讳，改玄为元也。
辛，温，甘，苦，无毒，性浮。入手足太阴、厥阴四经。兼疗气痛，最治血凝，腹中块
结，脐疝痛。调妇人月经，
经瘀经滞，除产后血积、血运、血冲。驱风治气，兼止腰膝之猝痛。活血止痛，兼利便溺之
猝闭。操行血利气之权，兼
通经坠胎之能。血热气虚者勿用。
生奚国。根如半夏，色黄。今二茅山西上龙洞种之。寒露后栽之，立春后生苗，叶如竹
叶，
起。
心痛欲死，每酒下三钱末。（验方第一。）
下痢腹痛，垂危，诸方不止，米饮下三钱末。（第二。）
偏身痛莫忍，同当归、桂心末，每酒下三钱。妇科宜之。（第三。）
鼻衄不止，为末，绵包塞耳，左右右左。（第四。）
尿血，末服。（第五。）
小便不通，同苦楝子末，白汤入香油少许下。（第六。）
膜外气痛及气块，为末，熟猪胰蘸食之。（第七。）
热厥心痛，时发止，同金铃子末酒下。（第八。）
经不调，腹刺痛，同当归、陈皮酒丸服。（第九。）
产后诸病，恶露未尽。一切，为末酒下。（第十。）
小儿盘肠气痛，同小茴末下。（十一。）
疝气危急，同全蝎末下。少腹积痛。（十二。）
冷气腰痛。同上第三。（十三。）
坠车落马，筋骨痛，为末豆淋酒下。（十四。）
忌与桑螵蛸、桔梗、茯苓、萆薢同用。
（白鲜皮）味苦，性寒，略带咸味，无毒，药性燥烈。主要归入足太阴脾经、足阳明胃经，兼入手太阴肺经、手阳明大肠经。能祛除各种风痹证，治疗各类黄疸。用于女子外阴肿痛，小儿惊风抽搐，两脚肌肉萎缩坏死，四肢筋脉软弱无力。治疗头痛、目痛等时行疾病，以及风疮、疥癣、癞病等陈旧性皮肤病。（验方一：鼠瘘已破溃，流出脓血，将白鲜皮煎煮后服用，可吐出如小老鼠状的异物。）
产后中风，若患者身体虚弱不能服用其他药物，单用一味白鲜皮，用新汲水煎服即可。（验方二）
白鲜皮生长在上谷及兖州等地。二月采收。如今河中、江宁、滁州、润州等地都有出产，以四川产的质量最好。植株高约一尺多，茎呈青色，叶片稍带白色，形状像槐树叶，也类似茱萸叶。四月开出淡紫色的花。根部像小的蔓荆子，皮色黄白且中心坚实。
使用时需炒制。本名玄胡索，宋代为避宋真宗赵恒的名讳，将“玄”字改为“延”字。今后为避皇室庙讳，将“玄”字改为“元”字。
（延胡索/元胡）味辛、甘、苦，性温，无毒，药性轻浮上行。归入手太阴肺经、手阳明大肠经、足太阴脾经、足厥阴肝经这四条经脉。兼治气滞疼痛，最擅长治疗血瘀凝滞，腹中结块，脐疝疼痛。调理妇女月经，治疗经血瘀滞不行，祛除产后血积、血晕、血冲等症。驱散风邪，理气止痛，兼治腰膝突发疼痛。活血止痛，兼治小便突然闭塞。掌握着行血利气的权柄，兼有通经堕胎的能力。血热而气虚者禁用。
延胡索生长在奚国。根部像半夏，颜色发黄。如今在二茅山西上的龙洞种植。寒露节气后栽种，立春后生出苗芽，叶子像竹叶一样挺立。
心痛欲死，每次用酒送服三钱粉末。（验方一）
下痢腹痛，病情垂危，各种方剂无效，用米汤送服三钱粉末。（验方二）
半身疼痛难以忍受，配合当归、桂心粉末，每次用酒送服三钱。妇科适宜使用。（验方三）
鼻出血不止，研成粉末，用棉包裹塞入耳中，左鼻出血塞右耳，右鼻出血塞左耳。（验方四）
尿血，研末内服。（验方五）
小便不通，配合苦楝子粉末，用白开水加入少许香油送服。（验方六）
膜外气痛及气块，研成粉末，蘸熟猪胰脏食用。（验方七）
热厥引起的心痛，时发时止，配合金铃子粉末用酒送服。（验方八）
月经不调，腹部刺痛，配合当归、陈皮制成酒丸服用。（验方九）
产后各种疾病，恶露未尽。一切相关症状，研末用酒送服。（验方十）
小儿盘肠气痛，配合小茴香粉末送服。（验方十一）
疝气危急，配合全蝎粉末送服。少腹积聚疼痛。（验方十二）
冷气腰痛。同上第三法。（验方十三）
坠车落马导致的筋骨疼痛，研末用豆淋酒送服。（验方十四）
Contraindicated for use with Sangpiaoxiao (Mantis Egg Case), Jiegeng (Platycodon Root), Fuling (Poria), and Bibi (Dioscorea Hypoglauca Rhizome).
**Bai Xian Pi (Dictamni Cortex)**
Bitter, cold, slightly salty, non-toxic, drying in nature. It enters the Foot-Taiyin Spleen Meridian and Foot-Yangming Stomach Meridian, and also connects to the Hand-Taiyin Lung Meridian and Hand-Yangming Large Intestine Meridian. It eliminates all types of wind-bi syndrome (painful obstruction due to wind) and treats various forms of Huangdan (jaundice). It is used for vulvar swelling in women, infantile convulsions, atrophy/necrosis of muscles in both legs, and weakness of tendons in the four limbs. It treats epidemic diseases presenting with headache and eye pain, as well as chronic skin conditions such as wind sores, scabies, and leprosy.
*(Verification Formula 1: For a ruptured shu-lou [scrofula/abscess] discharging pus and blood, decoct Bai Xian Pi and take orally; it may induce vomiting of material resembling a small mouse.)*
For postpartum wind-stroke, if the patient is too deficient to tolerate other medicines, use solely Bai Xian Pi, decocted in fresh water. *(Formula 2)*
It grows in Shanggu and Yanzhou areas. Harvested in February. Currently found in Hezhong, Jiangning, Chuzhou, and Runzhou, with those from Shu (Sichuan) considered superior. The herb has stems over one chi tall, green in color; leaves are slightly white, resembling Sophora leaves or Euodia leaves. It bears pale purple flowers in April. The root resembles small Vitex fruit, with yellowish-white bark and solid pith.
Use after stir-frying. Originally named Xuanhusuo. In the Song Dynasty, to avoid the personal name taboo of Emperor Zhenzong (Zhao Heng), "Xuan" was changed to "Yan". Later, to avoid ancestral temple taboos, "Xuan" was changed to "Yuan".
**Yan Hu Suo / Yuan Hu (Corydalis Rhizome)**
Acrid, sweet, bitter, warm, non-toxic, floating in nature. It enters the Hand-Taiyin Lung Meridian, Hand-Yangming Large Intestine Meridian, Foot-Taiyin Spleen Meridian, and Foot-Jueyin Liver Meridian. It treats qi stagnation pain, and is most effective for blood stasis and coagulation, abdominal masses, and umbilical hernia pain. It regulates menstruation in women, treating menstrual stasis and obstruction, and eliminates postpartum blood accumulation, syncope due to blood loss, and blood rushing upward. It dispels wind, regulates qi, and stops sudden pain in the waist and knees. It invigorates blood, stops pain, and relieves sudden urinary retention. It holds the authority over moving blood and promoting qi circulation, and possesses the ability to unblock meridians and induce abortion. It should not be used by patients with blood heat and qi deficiency.
It grows in Xi State. The root resembles Pinellia ternata, yellow in color. Currently cultivated in Longdong on the upper slopes of Ermao Mountain. Planted after Cold Dew, sprouting after Start of Spring. Leaves resemble bamboo leaves, standing erect.
For severe heart pain, take 3 qian of powder with wine. *(Verification Formula 1)*
For dysentery with abdominal pain, critical condition, unresponsive to other formulas, take 3 qian of powder with rice water. *(Formula 2)*
For unbearable pain affecting half the body, combine with Danggui (Angelica Sinensis) and Guixin (Cinnamon Twig) powders, take 3 qian with wine. Suitable for gynecology. *(Formula 3)*
For persistent epistaxis, make into powder, wrap in cotton, and insert into the ear opposite the bleeding nostril (left nose bleed -> right ear; right nose bleed -> left ear). *(Formula 4)*
For hematuria, take powder internally. *(Formula 5)*
For urinary retention, combine with Kulianzi (Melia Toosendan Fruit) powder, take with plain water and a few drops of sesame oil. *(Formula 6)*
For qi pain outside the membrane and qi masses, make into powder and eat dipped in cooked pig pancreas. *(Formula 7)*
For heart pain due to heat-jue, intermittent, combine with Jinlingzi (Chloranthus Spicatus Fruit) powder and take with wine. *(Formula 8)*
For irregular menstruation and stabbing abdominal pain, combine with Danggui and Chenpi (Citrus Peel), form pills with wine, and take. *(Formula 9)*
For various postpartum conditions where lochia is not fully expelled, for all related symptoms, take powder with wine. *(Formula 10)*
For infantile intestinal colic/qi pain, combine with Xiaohui (Fennel Seed) powder and take. *(Formula 11)*
For critical hernia qi, combine with Quanxie (Scorpion) powder and take. For accumulation pain in the lower abdomen. *(Formula 12)*
For lumbar pain due to cold qi. Same as Formula 3 above. *(Formula 13)*
For bone and tendon pain from falling from carts or horses, take powder with Doulinjiu (wine soaked soybeans). *(Formula 14)*