论曰狐尿刺者，狐狸尿草棘上，人有误犯，则发肿痛 热，多在于手足指节，然亦有端
居不出而被此毒者，盖毒瓦斯有相类之证，亦不必狐尿乃尔也。
治狐尿刺，久不差。白蔹膏方
白蔹 羊粪 栝蒌根（各半两）
上三味，捣如膏，封裹疮上，一复时，其刺自出。
治狐尿刺，发肿痛 热。牛蒡根敷方
牛蒡根 薤根（各二两）
上二味，同捣烂敷肿上，其刺立出。
治狐尿刺棘人肿痛。蜡滴方
黄蜡（半两）
上一味，熔汁，看冷热得所，滴肿痛处，即愈。
治狐尿刺，日夜躁痛，不得眠睡。蒲公草涂方
蒲公草（连根茎叶四两）
上一味，捣烂绞取白汁，频涂之妙。
治狐尿刺，疼痛不可忍。栝蒌敷方
生栝蒌根 豉（等分）
上二味捣作饼敷之，干即易。
治狐尿刺，在手足指节间肿痛。豉敷方
豉（一两）
上一味，熟嚼敷之，少顷看豉中当有毛，不见更嚼敷之，以毛出尽为度。
治狐尿刺人， 热肿痛。杏仁洗方
杏仁（二七粒）
上一味，细研，煮一两沸，乘热以浸刺处，数易之良。
治恶刺入肉。桂蜡丸方
桂（去粗皮）
上一味，捣为末，熔黄蜡为丸，看疮大小，置疮内，湿纸三五重搭盖，以火 候药丸熔
入肉，其刺自出，如无刺，即所伤者亦平也。
治恶刺。独栗涂方
独颗栗（不拘多少）
上一味烂嚼涂之，裹以帛，若有刺自出。
论述说：所谓“狐尿刺”，是指狐狸在草棘上排尿，人如果误触这种草，就会引发肿痛和发热。这种情况多发生在手足的指节部位，但也有即使端坐不动、不出门也会遭受此毒的情况。这是因为有毒物质的症状表现有相似之处，并不一定非要是狐狸的尿液所致。
治疗狐尿刺，病程长久不愈的方子：白蔹膏方
药材：白蔹、羊粪、栝蒌根（各半两）
制法与用法：将上述三味药捣碎成膏状，包裹敷贴于疮口处，经过一个时辰（约两小时），刺便会自行排出。
治疗狐尿刺，发作时肿痛发热的方子：牛蒡根敷方
药材：牛蒡根、薤根（各二两）
制法与用法：将上述两味药一同捣烂，敷贴在肿胀处，刺会立刻排出。
治疗狐尿刺被棘刺伤导致肿痛的方子：蜡滴方
药材：黄蜡（半两）
制法与用法：将黄蜡熔化取汁，观察温度冷热适宜后，滴在肿痛处，即可痊愈。
治疗狐尿刺，日夜烦躁疼痛，无法入睡的方子：蒲公草涂方
药材：蒲公草（连根、茎、叶共四两）
制法与用法：将上述一味药捣烂，绞取白色汁液，频繁涂抹患处，效果奇妙。
治疗狐尿刺，疼痛难以忍受的方子：栝蒌敷方
药材：生栝蒌根、豉（等量）
制法与用法：将上述两味药捣碎制成饼状敷贴，变干后即更换。
治疗狐尿刺，在手足指节间肿痛的方子：豉敷方
药材：豉（一两）
制法与用法：将上述一味药熟嚼后敷贴，过一会儿查看豆豉中是否有毛刺，若未见毛刺则继续嚼敷，直到毛刺全部取出为止。
治疗狐尿刺患者，伴有发热肿痛的方子：杏仁洗方
药材：杏仁（十四粒）
制法与用法：将上述一味药细细研磨，煮一两沸，趁热浸泡刺伤处，多次更换效果良好。
治疗恶刺入肉的方子：桂蜡丸方
药材：桂（去除粗皮）
制法与用法：将上述一味药捣成粉末，熔化黄蜡制成丸剂，根据疮口大小，将药丸置于疮内，用湿纸覆盖三五层，用火烘烤使药丸熔化渗入肉中，刺便会自行排出；如果没有刺，那么受伤的部位也会平复愈合。
Discussion: The condition known as "Fox Urine Thorn" refers to a situation where foxes urinate on grass thorns. If humans accidentally come into contact with such grass, it triggers swelling, pain, and heat (fever). This typically occurs at the joints of the fingers and toes. However, there are also cases where individuals suffer from this toxicity while sitting still indoors without going out. This is because toxic substances can present similar symptoms; thus, it is not necessarily caused by fox urine.
Formula for Treating Chronic Fox Urine Thorn that Has Not Healed: Bai Lian Paste Formula
Ingredients: Bai Lian (Ampelopsis Radix), Sheep Feces (Yang Fen), Gua Lou Gen (Trichosanthes Root) (each 0.5 liang).
Preparation and Administration: Pound the three ingredients into a paste. Apply and wrap over the wound. After one shi (approximately two hours), the thorn will naturally emerge.
Formula for Treating Fox Urine Thorn with Onset of Swelling, Pain, and Heat: Niu Bang Gen Poultice Formula
Ingredients: Niu Bang Gen (Arctii Fructus/Root), Xie Gen (Allii Macrostemonis Rhizoma) (each 2 liang).
Preparation and Administration: Pound the two ingredients together until mushy and apply as a poultice to the swollen area. The thorn will immediately emerge.
Formula for Treating Swelling and Pain Caused by Thorns in Fox Urine Thorn: Wax Drip Formula
Ingredients: Huang La (Yellow Beeswax) (0.5 liang).
Preparation and Administration: Melt the beeswax to obtain the liquid. Check that the temperature is appropriate, then drip onto the swollen and painful area. It will heal immediately.
Formula for Treating Fox Urine Thorn with Day-and-Night Restless Pain and Insomnia: Pu Gong Cao Smear Formula
Ingredients: Pu Gong Cao (Taraxaci Herba) including roots, stems, and leaves (4 liang).
Preparation and Administration: Pound the herb until mushy, squeeze out the white juice, and apply frequently to the affected area. This is highly effective.
Formula for Treating Fox Urine Thorn with Unbearable Pain: Gua Lou Poultice Formula
Ingredients: Sheng Gua Lou Gen (Fresh Trichosanthes Root), Chi (Fermented Soybean) (equal parts).
Preparation and Administration: Pound the two ingredients and form them into cakes for application. Replace when dry.
Formula for Treating Swelling and Pain in Finger and Toe Joints from Fox Urine Thorn: Chi Poultice Formula
Ingredients: Chi (Fermented Soybean) (1 liang).
Preparation and Administration: Chew the ingredient thoroughly and apply as a poultice. After a short while, check if hairs/thorns have adhered to the fermented soybean. If none are seen, continue chewing and applying until all thorns are removed.
Formula for Treating Fox Urine Thorn Patients with Heat, Swelling, and Pain: Xing Ren Wash Formula
Ingredients: Xing Ren (Prunus Armeniacae Semen) (14 grains).
Preparation and Administration: Grind the ingredient finely, boil for one or two boils, and soak the punctured area while hot. Replacing it multiple times yields good results.
Formula for Treating Malignant Thorns Embedded in Flesh: Gui La Pill Formula
Ingredients: Gui (Cinnamomi Cortex) (remove coarse bark).
Preparation and Administration: Pound the ingredient into powder. Melt yellow beeswax to form pills. Place the pill inside the wound according to its size. Cover with three to five layers of wet paper. Use heat to melt the pill so it penetrates the flesh. The thorn will naturally emerge. If no thorn is present, the injured tissue will also heal flat.
Formula for Treating Malignant Thorns: Du Li Smear Formula
Ingredients: Du Ke Li (Single Chestnut) (any amount).
Preparation and Administration: Chew the chestnut until mushy and apply. Wrap with cloth. If a thorn is present, it will naturally emerge.