《圣惠》夫小儿疳疮生于面鼻上，不痒不痛，常有汁出，汁所流处，随即成疮，
亦生身上，小儿多患之。亦是风湿搏于血气，所以不痒不痛，故名疳疮也。钱乙论
疳在外，鼻下赤烂，自揉鼻头，上有疮不着痂，渐绕耳生疮。治鼻疮烂，兰香散。
诸疮，白粉散（二方并见鼻疳条。）主之。
〔张涣〕四珍丹 治诸疳羸瘦，毛发焦黄，口鼻生疮。
干大蟾（一枚，去四足，掰开腹，入胡黄连半两在腹内，以线缝合，用湿纸三两重裹，以泥四面固济，用木炭火烧，
令通赤为度，放冷、去泥，捣为细末） 芦荟（半两，研） 麝香（一分，研）
上件都拌匀，再研令细，以白面糊和，如黍米大。每服五粒至七粒，粥饮下，量儿大小加减。
熊胆膏 治疳疮不瘥。
熊胆 蚺蛇胆 芦荟（各半两） 黄矾（一分，瓜州者良。以上捣罗为细末，次用） 麝香 牛黄（各一分） 龙
脑（一钱。并细研）
上件细研匀，以井华水三合搅匀，盛银器中，重汤煮成膏。每用少许涂患处。
治小儿一切疳毒有疮方
苦楝皮（五斤，锉） 七姑叶（半两，锉） 甘草 白矾（各二两） 葱白（十茎）
上粗捣令匀，用水五斗煮五七沸，旋旋添洗疮处，如久患，只两服，立效。
《谭氏殊圣》治小儿疳肥疮，多生头上，浸淫久不瘥，及耳疮等，悉皆治之。
石绿 白芷（各等分）
上，以生甘草水洗疮敷药自愈。
*Shenghui Fang* records: Infantile gan sores (gan sores) occur on the face and nose, are neither itchy nor painful, and often discharge fluid. Wherever the fluid flows, sores immediately form there. They can also appear on the body, and infants frequently suffer from this condition. This is caused by wind-dampness pathogens battling with blood and qi, which is why they are neither itchy nor painful; hence the name "gan sores." Qian Yi discussed external manifestations of gan sores: redness and erosion below the nose, self-rubbing of the nasal tip, presence of sores without scab formation, and gradual spread of sores around the ears. To treat nasal sores and erosion, use Lanxiang San (Orchid Fragrance Powder). For various sores, use Baifen San (White Powder) (both formulas are cited under the section "Nasal Gan").
[Zhang Huan] Sizhen Dan (Four Precious Pills): Treats various gan syndromes characterized by emaciation, scorched-yellow hair, and sores in the mouth and nose.
Dried Bufo bufo gargarizans (one specimen, remove four feet, split abdomen open, insert half tael of Coptidis Rhizoma within the abdomen, suture with thread, wrap in wet paper weighing three taels, seal all sides with mud, burn with charcoal until thoroughly red, allow to cool, remove mud, pound into fine powder) Aloe (half tael, grind) Moschus (one fen, grind)
Mix all ingredients evenly, grind again until very fine, bind with white flour paste into pills the size of millet seeds. Administer five to seven pills per dose, taken down with gruel broth, adjusting dosage according to the child's age and size.
Xiongdan Gao (Bear Bile Ointment): Treats persistent gan sores that do not heal.
Ursi Fel (Bear Gallbladder) Boas mucrosquamatus bile (snake bile) Aloe (each half tael) Vitriolum Flavum (one fen, preferably from Guazhou. Pound and sieve the above into fine powder, then add the following) Moschus Bovis Calculus (Calculus Bovis) (each one fen) Borax (one qian. All must be finely ground)
Finely grind all ingredients uniformly, mix with three he of well water until blended, place in a silver vessel, and simmer over boiling water until it forms an ointment. Apply a small amount to the affected area each time.
Formula for treating all kinds of gan toxicity with sores in infants:
Meliae Cortex (five jin, chopped) Leaves of *Euphorbia lathyris* (half tael, chopped) Glycyrrhizae Radix et Rhizoma Alum (each two liang) Scallion white (ten stalks)
Coarsely chop and mix evenly, boil in five dou of water for five to seven boils, continuously adding hot water to wash the sores. For chronic cases, only two treatments are needed for immediate effect.
*Tan Shi Shu Sheng* records: Treats infantile gan fatty sores, which mostly occur on the head, persisting and failing to heal after long-term exudation, as well as ear sores, etc., all of which can be treated.
Malachite Green Angelica dahurica root (each in equal proportions)
Wash the sores with decoction of fresh Glycyrrhizae Radix et Rhizoma, apply the medicine, and it will heal spontaneously.