夫月蚀疮者。生于两耳及鼻面间。并下部诸孔窍侧。侵蚀乃至筋骨。月初则疮成。月末
则疮衰。以随月生。因名之为月蚀疮也。又小儿耳下生疮。亦名月蚀。世云。小儿见月以手
指之
治月蚀疮。腻粉散方。
腻粉（一两） 黄连（一两去根末） 胡粉（一两炒令微黄） 松脂（一两）
上件药。都细研。先以温浆盐水洗疮令净。拭干。以散敷之。如疮干。用生油调涂。以
瘥为度。
又方。
吴茱萸根（二两） 地榆〔一（二）两〕 蔷薇根（二两）
上件药。捣细罗为散。每用半两。投入汤中。候温洗之即瘥。
又方。
虾蟆（一枚五月五日收烧灰） 硫黄（一两） 白矾（一两烧灰）
上件药。细研为散。用敷疮上。以瘥为度。
又方。
自死青蛙（一枚烧为灰） 母猪蹄壳（一枚烧灰） 救月杖（烧灰）
上件药。都细研。每用少许。以蜜调涂之。
治大人小儿。卒得月蚀疮方。
虾蟆（一枚五月五日者烧灰）
上细研。以猪脂和涂之。
又方。
上于月望夜取兔粪。纳虾蟆腹中。合烧为灰。细研敷之。
又方。
罗摩草
上捣取汁涂之。
又方。
地龙粪（一合烧令通赤细研）
上以猪脂和令匀。涂之。
又方。
救月蚀鼓皮（手许大）
上以酽醋渍一宿。取汁涂之。或烧为灰。细研。以面脂和敷之。
又方。
虎头骨（二两）
上捣碎。以猪脂一升煎之。以骨焦黄色。去滓涂之。
Moon-eating sores are lesions that arise between the two ears and on the nose and face, as well as on the sides of various orifices in the lower body. The erosion can penetrate to the level of sinews and bones. The sores form at the beginning of the lunar month and diminish by the end of the month; because they follow the waxing and waning of the moon, they are named "Moon-eating sores" (Yueshi Chuang). Additionally, sores appearing below the ears in children are also called Moon-eating sores. Folklore states that if a child points at the moon with their finger, they may contract this condition.
Formula for Ni Fen San (Calomel Powder) to treat Moon-eating sores:
Ni Fen (Calomel, 1 liang), Huang Lian (Coptidis Rhizoma, 1 liang, roots removed and powdered), Hu Fen (Lead Carbonate, 1 liang, stir-fried until slightly yellow), Song Zhi (Pine Resin, 1 liang).
Grind all the above ingredients into a fine powder. First, wash the sore clean with warm fermented grain water mixed with salt, then dry it. Apply the powder to the lesion. If the sore is dry, mix the powder with raw sesame oil (or vegetable oil) for topical application. Continue treatment until healed.
Another formula:
Wu Zhu Yu Gen (Evodiae Radix, 2 liang), Di Yu (Sanguisorbae Radix, 2 liang), Qiang Wei Gen (Rosae Multiflorae Radix, 2 liang).
Pulverize the above ingredients through a fine sieve to make a powder. Take 0.5 liang per dose, add to bath water, and wash the affected area when the water temperature is suitable until healed.
Another formula:
Xia Ma (Toad, 1 specimen collected on the fifth day of the fifth lunar month, calcined to ash), Liu Huang (Sulfur, 1 liang), Bai Fan (Alumen, 1 liang, calcined to ash).
Grind the above ingredients finely into a powder and apply to the sore until healed.
Another formula:
Zi Si Qing Wa (Dead Frog, 1 specimen, calcined to ash), Mu Zhu Ti Ke (Pig Trotter Hoof Shell, 1 piece, calcined to ash), Jiu Yue Zhang (Jiu Yue Zhang, a plant, calcined to ash).
Grind all ingredients finely. Take a small amount, mix with honey, and apply topically.
Formula for sudden onset of Moon-eating sores in adults and children:
Xia Ma (Toad, 1 specimen from the fifth day of the fifth lunar month, calcined to ash).
Grind finely and mix with Pig Fat (Su Zhi) for topical application.
Another formula:
Collect Rabbit Feces (Tu Fen) on the night of the full moon (Wang Ri), insert it into the abdomen of a toad, and calcine the mixture to ash. Grind finely and apply to the lesion.
Another formula:
Luo Mo Cao (Luo Mo Cao, specific herb name).
Crush and extract the juice for topical application.
Another formula:
Di Long Fen (Earthworm Excrement, 1 he, calcined until red-hot and ground finely).
Mix evenly with Pig Fat (Su Zhi) and apply.
Another formula:
Jiu Yue Shi Gu Pi (Drum Skin used to ward off Moon Eclipses, size of a hand).
Soak in strong vinegar overnight, extract the juice, and apply. Alternatively, calcine to ash, grind finely, and mix with Mian Zhi (Flour Paste/Fat) for application.
Another formula:
Hu Tou Gu (Tiger Skull Bone, 2 liang).
Crush the bone and decoct in 1 sheng of Pig Fat (Su Zhi) until the bone turns scorched yellow. Strain out the residue and apply the oil to the affected area.