《病源论》云∶蚍蜉 者，因寒，腹中胪胀，所得寒毒不去，变化所生也。始发之时，
在其颈项，使人壮热若伤寒，有似疥癣，娄娄孔出，其根在肺。
《刘涓子方》治蚍蜉 ，始发于颈，初得如伤寒。此因食中有蚍蜉毒不去。
桃白皮（一分） 白术（四分） 知母（一分） 雌黄（一分） 干地黄（一分）
皮（四分） 独活（一分） 椒（一百枚） 青黛（一分） 斑蝥（一分） 白芷（一分） 柏
脂（一分） 夕药（一分） 海苔（一分） 当归（一分）
上十五物，合捣作散，下筛，服一钱匕，日三。病在里空腹服，在外先食后服之。又方∶
无斑蝥、术。
《病源论》云∶蛴螬 者，恐惧愁忧思虑，哭泣不止，余毒变化所生也。始发之时，在
其颈项，无头尾，如枣核，或移动皮中，使人寒热心满，其根在心。
《刘涓子方》云∶治蛴螬 ，始发颈，无头尾，如枣核块，块多在皮中，使人寒热心满。
此因喜怒哭泣。
空青（二分） 当归（二分） 细辛（一两） 干 肉〔一分（一方用皮）〕 枸杞根
（一分） 斑蝥（一分，去翅） 地胆（一分） 干鸟脑（如三大豆）
上八物，合冶下筛，作散。服方寸匕，日三，以酢浆下散。病在上，倒输卧；在下，高
枕，使药流下。
《诸病源候论》说：蚍蜉（一种类似疥癣的皮肤疾病，因寒毒积聚所致），是由于感受寒邪，导致腹部胀满，体内残留的寒毒未能清除，进而变化生成的。发病初期，病灶位于颈部和项部，使人出现高热，症状类似于伤寒，外观酷似疥癣，皮肤上布满小孔，其病根在于肺脏。
《刘涓子鬼遗方》治疗蚍蜉，指出该病始于颈部，初起时症状如同伤寒。这是因为食物中混入了蚍蜉毒素且未能排出所致。
配方：桃白皮（一分）、白术（四分）、知母（一分）、雌黄（一分）、干地黄（一分）、[此处原文缺字，推测为某药]皮（四分）、独活（一分）、花椒（一百枚）、青黛（一分）、斑蝥（一分）、白芷（一分）、柏脂（一分）、芍药（一分）、海苔（一分）、当归（一分）。
以上十五味药，混合捣碎制成散剂，过筛后服用一钱匕，每日三次。若病位在体内（里证），空腹服用；若病位在体表（外证），先吃饭后服用。另一个方子：去掉斑蝥和白术。
《诸病源候论》说：蛴螬（一种皮下结节或肿块，形如枣核），是由于恐惧、忧愁、思虑过度以及持续哭泣，导致余毒变化而生成。发病初期，病灶位于颈部和项部，没有头尾，形状像枣核，有时在皮肤下移动，使人感到忽冷忽热、心胸烦闷胀满，其病根在于心脏。
《刘涓子鬼遗方》说：治疗蛴螬，该病始于颈部，没有头尾，像枣核一样的硬块，多位于皮肤之下，使人感到忽冷忽热、心胸烦闷胀满。这是因为情绪激动、愤怒或哭泣所致。
配方：空青（二分）、当归（二分）、细辛（一两）、干肉桂（一分，另一版本用桂皮）、枸杞根（一分）、斑蝥（一分，去除翅膀）、地胆（一分）、干鸟脑（用量相当于三颗大豆的大小）。
以上八味药，共同研磨并过筛，制成散剂。每次服用一方寸匕，每日三次，用醋浆送服散剂。若病位在上部，患者应倒立卧床；若病位在下部，应垫高枕头，以使药力向下流动。
The *Zhubing Yuanhou Lun* (Treatise on the Pathogenesis and Symptoms of All Diseases) states: "Pifu" (a skin condition resembling scabies or tinea, caused by the accumulation of cold pathogenic factors) arises from exposure to cold, leading to abdominal distension. When residual cold toxins remain in the body unexpelled, they transform into this condition. At the onset, lesions appear on the neck and nape, causing high fever with symptoms similar to *Shanghan* (Cold Damage disease). The appearance resembles scabies or tinea, with numerous small pores emerging on the skin; its root lies in the Lung.
The *Liu Juanzi Fang* (Formulas of Liu Juanzi) for treating Pifu notes that it begins at the neck, initially presenting like *Shanghan*. This is due to ingesting food contaminated with Pifu toxins that fail to be expelled.
Prescription: Cortex Pruni Persicae Albus (one fen), Atractylodis Macrocephalae Rhizoma (four fen), Anemarrhenae Rhizoma (one fen), Realgar (one fen), dried Rehmanniae Radix (one fen), [missing character] bark (four fen), Angelicae Pubescentis Radix (one fen), Zanthoxyli Fructus (100 pieces), Indigo Naturalis (one fen), Mylabris (one fen), Angelicae Dahuricae Radix (one fen), Plagiogyriae Resina (one fen), Paeoniae Radix Alba (one fen), Fucus Vesiculosus (one fen), Angelicae Sinensis Radix (one fen).
These fifteen ingredients are mixed, pounded into a powder, and sifted. Take one qianbi (a spoonful measure) per dose, three times daily. If the pathology is interior (in the viscera), take on an empty stomach; if exterior (on the skin), take after meals. Another formula: Omit Mylabris and Atractylodes.
The *Zhubing Yuanhou Lun* states: "Qicao" (a subcutaneous nodule or mass, shaped like a jujube pit) arises from fear, sorrow, excessive worry, and incessant crying, where residual toxins transform into this condition. At onset, it appears on the neck and nape, lacking distinct head or tail, resembling a jujube pit. It may migrate within the subcutaneous tissue, causing alternating chills and fever, along with chest fullness and distress; its root lies in the Heart.
The *Liu Juanzi Fang* states: To treat Qicao, which begins at the neck, lacks head or tail, and presents as a jujube-pit-like lump often located within the skin, causing chills, fever, and chest fullness. This results from emotional agitation, anger, or crying.
Prescription: Azurite (two fen), Angelicae Sinensis Radix (two fen), Asari Radix et Rhizoma (one liang), dried Cinnamomi Ramulus (one fen; another version uses Cinnamomi Cortex), Lycii Radicis Cortex (one fen), Mylabris (one fen, wings removed), Euphorbiae Lathyridis Semen (one fen), dried Avian Brain (quantity equivalent to three soybeans).
These eight ingredients are ground together and sifted to make a powder. Take one fangcunbi (a square-inch spoonful) per dose, three times daily, administered with vinegar juice. If the lesion is located superiorly, the patient should lie upside down; if inferiorly, use a high pillow to facilitate the downward flow of the medicine.