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Stagnant heat carbuncle and erysipelas present with redness and swelling, resembling Chi You Dan (a wandering red plaque-like skin disease). It is mostly caused by excessive milk and food intake in infants, leading to food stagnation and the generation of stagnant heat. Compared to Chi You Dan, its progression is slower; treatment should first focus on resolving food stagnation, followed by clearing heat.

[Note] At the onset, this condition resembles Chi You Dan but moves more slowly than it. It arises because infants consume too much milk and food, which the spleen and stomach cannot transform, causing internal accumulation of heat that reaches the muscle and surface. Symptoms include fever, flushed face, sour breath, and a yellow tongue coating. Bahe Wan (Preservation Harmony Pill) should be taken initially to resolve food stagnation. If lips are scorched and stool is constipated, Yinian Jin (One Pinch of Gold) is suitable; if the erysipelas persists, Xijiao San (Rhinoceros Horn Powder) is appropriate. Other treatments follow those for Chi You Dan.

Bahe Wan (Preservation Harmony Pill)
Bai Fuling (Poria), Banxia (Pinellia Rhizome, processed), Shanzha Rou (Crataegus Fruit Flesh), Shenqu (Medicated Leaven, stir-fried, each 1 liang), Chenpi (Citrus Reticulata Peel), Luobozi (Radish Seed, stir-fried), Lianqiao (Forsythia Fruit, heart removed, each 5 qian).
Grind all into fine powder, mix with congee to form pills the size of paulownia seeds. Take 30 pills per dose, dissolved or swallowed with warm boiled water.

[Formula Song] Bahe Wan contains Poria and Pinellia, along with Citrus Peel, Radish Seed, Hawthorn, Medicated Leaven, and Forsythia; taken as water-habituated pills, it effectively resolves milk and food accumulation with excellent results.

Yinian Jin (One Pinch of Gold)
Renshen (Ginseng Root), Dahuang (Rhubarb Rhizome), Heiqiu (Black Morning Glory Seed), Baiqiu (White Morning Glory Seed), Binglang (Areca Nut, equal parts).
Grind into fine powder. Take one "yi" (approx. 0.3-0.6g) per dose, mixed with honey water.

[Formula Song] Yinian Jin treats food-fire accumulation, indicated for scorched lips and constipation using purgative methods; it contains Rhubarb, Black and White Morning Glory Seeds, Ginseng, and Areca Nut powder added with honey.

Xijiao San (Rhinoceros Horn Powder)
Xijiao Xie (Rhinoceros Horn Chips), Shengma (Cimicifuga Rhizome), Fangji (Stephania Root), Shanzhi (Gardenia Fruit, raw), Puxiao (Mirabilite), Huangqin (Scutellaria Root), Huanglian (Coptis Rhizome - *text implies missing character based on context*), Niuhuang (Calculus Bovis, 1 qian for former, 5 fen for latter - *text lists quantities ambiguously, typically 1 qian for herbs, 5 fen for Niuhuang*).
Grind into fine powder. Take 5 fen per dose, mixed with decoction of Bamboo Leaves (Zhuye), adjusting dosage according to the infant's condition.

[Formula Song] Xijiao San eliminates red erysipelas, combining Cimicifuga, Stephania, and Gardenia; Mirabilite, Scutellaria, Coptis, and Calculus Bovis powder are taken with Bamboo Leaf decoction at any time.

Infant sores and ulcers are formed by milk-fire, resulting from stagnant fire coagulation due to rich flavors, compounded by exposure to the Six Excesses (Wind, Cold, Summerheat, Dampness, Dryness, Fire). Treatment for swelling and suppuration follows the methods for Ju Yong (deep-seated suppurative infections).

[Note] Any infant sore or small boil is often caused by the fire of the Seven Emotions (Joy, Anger, Worry, Thought, Sorrow, Fear, Fright) affecting the nursing mother, or in infants over one year old who can eat solid food, by excessive consumption of dry, fried, and rich flavors generating stagnant fire, combined with exposure to the Six Excesses. However, methods such as releasing the exterior, purging the interior, supporting the interior to expel toxins, and disinfecting, as well as external treatments for swollen stage (Zhong Yang) and ulcerated stage (Kui Yang), all follow the protocols in the Carbuncle chapter under Zhong Yang and Kui Yang sections. Infants possess a "Pure Yang" constitution, making fire syndromes predominant. Only potent drugs can overcome the disease, but their muscles, tissues, and zang-fu organs are tender and fragile; stop medication immediately upon efficacy to avoid overdose.