《巢氏病源》小儿萤火丹候∶丹发如灼，在胁下正赤，初从额起而长上痛，是萤火丹也。（《颅囟经》乃云从耳起。）
《颅囟经》治萤火丹。
上用慎火草捣汁，和酒调涂之。（《圣惠》以醋调涂。）
《圣惠》治小儿萤火丹方。
赤小豆（一合） 硝石（半两） 寒水石（一分）
上件药捣，细罗为散。每服以冷水调下半钱，日三服。量儿大小加减服之。（《婴孺》一料用硝石三钱一字。）
《圣惠》又方
灶中黄土（一合） 生油（二合）
上件药研，和如泥，时用涂之，以瘥为度。若痛上阴，不治即杀人。
《婴孺》泽兰汤 治萤火丹走瘾疹入腹杀人方。
泽兰 芎（各三分） 附子（炮） 莽草 本 细辛 茵芋（各二分）
上以水三升煮一升半为四服，此汤外并用粉粉病上。
《巢氏病源》小儿朱田火丹候∶丹先发背起遍身，一日一夜而成疮，谓之朱田火丹也。
《颅囟经》朱田火丹赤豆色，遍身上起。
上用慎火草捣汁，和酒调涂之。
《千金》治小儿朱田火丹，病一日一夜即成疮。先从背起，渐至遍身如枣大，正赤色者方。
上浓煮棘根汁洗之。已成疮者赤小豆末敷之，未成疮者鸡子白和小豆末敷之。凡方中用鸡子者，皆取先破
者用之，未破者无力。
《圣惠》治小儿朱田火丹方。
上以蓝靛涂之。
《圣惠》又方
上以鸡子白涂之。
According to *Chao Shi Bing Yuan* (Source of Diseases in Chao's Work) regarding the syndrome of infantile Firefly Erysipelas (Yinghuo Dan): The erysipelas erupts as if scorched, appearing bright red under the hypochondrium. It initially starts from the forehead and spreads upward with pain; this is called Firefly Erysipelas. (*Lu Xin Jing* states it starts from the ear.)
*Lü Xin Jing* treatment for Firefly Erysipelas.
Take the above-mentioned Shenhua Cao (Fire-preventing Herb, likely *Sanguisorba officinalis*), crush it to extract juice, mix with wine, and apply topically. (*Tai Ping Sheng Hui Fang* suggests mixing with vinegar for application.)
*Tai Ping Sheng Hui Fang* prescription for infantile Firefly Erysipelas.
Vigna angularis (One he) Niter (Half tael) Cold Water Stone (One fen)
Crush the above ingredients, sieve finely to make a powder. Take half a qian per dose, mixed with cold water, three times daily. Adjust dosage according to the child's age. (*Ying Ru Shu* uses three qian and one zi of Niter per batch.)
Another prescription from *Tai Ping Sheng Hui Fang*.
Kitchen Hearth Yellow Earth (One he) Raw Oil (Two he)
Grind the above ingredients and mix into a paste-like consistency. Apply frequently until healed. If the painful area develops Yin symptoms, failure to treat will result in death.
*Ying Ru Shu* Zelan Decoction for treating Firefly Erysipelas that spreads to urticaria and invades the abdomen causing death.
Lycopus lucidus (Each 3 fen) Ligusticum chuanxiong (Each 3 fen) Aconitum carmichaelii (Pao/Processed) Polygonum arvense (Mangcao) Ligusticum sinense (Gaoben) Asarum heterotropoides (Xixin) Ilex cornuta (Yinyu) (Each 2 fen)
Boil the above ingredients in three sheng of water until reduced to one and a half sheng, divided into four doses. While taking this decoction internally, also apply powder externally to the affected area.
According to *Chao Shi Bing Yuan* regarding the syndrome of infantile Vermilion Field Fire Erysipelas (Zhutian Huodan): The erysipelas first erupts on the back and spreads over the whole body, forming sores within one day and night, known as Vermilion Field Fire Erysipelas.
*Lü Xin Jing* describes Vermilion Field Fire Erysipelas as resembling red beans, erupting all over the body.
Take the above-mentioned Shenhua Cao, crush to extract juice, mix with wine, and apply topically.
*Qian Jin Fang* treatment for infantile Vermilion Field Fire Erysipelas, where sores form within one day and night. It starts from the back and gradually spreads over the body like dates, with a bright red color.
Boil thick juice from Rhamnus spinosa roots to wash the affected area. For formed sores, apply powder of Vigna angularis; for unformed sores, mix Vigna angularis powder with egg white and apply. In prescriptions using eggs, always use those that have broken naturally first, as unbroken eggs lack potency.
*Tai Ping Sheng Hui Fang* prescription for infantile Vermilion Field Fire Erysipelas.
Apply Indigofera tinctoria (Lan Dian) topically.
Another prescription from *Tai Ping Sheng Hui Fang*.
Apply egg white topically.