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[Xue Ji] Pediatric "Shidu" (Seasonal Toxin) is caused by contracting the abnormal qi of the four seasons, leading to redness and swelling in the nose, face, ears, neck, or throat, accompanied by aversion to cold, fever, and headache. In severe cases, it may cause mental confusion and restlessness, throat obstruction, resembling "Shanghan" (Cold Damage Disease). It can be fatal within five to seven days. A floating and rapid pulse indicates the pathogen is at the exterior; a deep and choppy pulse indicates the pathogen is at the interior. For pathogens at the exterior, use Gegen Niuzi Tang (Kudzu and Burdock Seed Decoction); for pathogens at the interior, use Zhizi Ren Tang (Gardenia Kernel Decoction); for simultaneous exterior and interior involvement, use Xijiao Shengma Tang (Rhinoceros Horn and Cimicifuga Decoction). In severe cases, bloodletting with a bi stone (Bianshi, 砭石) is appropriate, along with Tongqi San (Ventilation Powder) to vent the toxin, which will naturally resolve in about ten days. If the toxin does not dissipate but begins to suppurate, use Tuoli Xiaodu San (Support Interior and Eliminate Toxin Powder); if the wound is ready to heal/converge, use Tuoli San (Support Interior Powder). If there is throat swelling preventing speech or head swelling preventing eating, death is inevitable.

Tongqi San: Treats pain from Shidu, throat discomfort, inducing sneezing to vent the toxin.
Ingredients: Yanhusuo (Corydalis Rhizome), Zhuya Zaojia (Toothed Soap Pod), Chuanxiong (Ligusticum Rhizome) (each 1 qian), Lilu (Veratrum Rhizome) (0.5 qian), Yangzhizhu Hua (Daphne Odora Flower) (0.3 qian).
Preparation and Administration: Grind into fine powder. Dip a paper twist in a small amount of powder and insert into the nostril to induce sneezing as the desired effect.

Xijiao Shengma Tang: Treats wind-heat causing swelling and pain of the lips, jaw joint (Jiache), and teeth.
Ingredients: Xijiao (Rhinoceros Horn, sliced, 2 qian), Shengma (Cimicifuga Rhizome), Fangfeng (Saposhnikovia Root), Qianghuo (Notopterygium Rhizome), Chuanxiong (Ligusticum Rhizome), Baizhi (Angelica Dahurica Root) (each 0.5 qian), Huangqin (Scutellaria Root), Gancao (Licorice Root) (each 1 qian), Baifuzi (Aconitum Carlemanii Bulb) (0.4 qian).
Preparation and Administration: Take 3-5 qian per dose, decoct in water.

Zhizi Ren Tang: Treats swelling and pain from Shidu, with constipation.
Ingredients: Yujin (Curcuma Root), Zhike (Bitter Orange Fruit, stir-baked with bran), Shengma (Cimicifuga Rhizome), Shanzhiren (Gardenia Kernel), Niuzi (Burdock Seed, crushed and stir-baked), Dahuang (Rhubarb Root, stir-baked) (all in equal proportions).
Preparation and Administration: Grind into fine powder. Take 2-3 qian per dose, mix with honey water and swallow.

Gegen Niuzi Tang: Treats swelling and pain from Shidu. Has effects of detoxification and clearing heat.
Ingredients: Gegen (Kudzu Root), Guanzhong (Asparagus Fern Stem), Gancao (Licorice Root), Jiangxi Douchi (Fermented Soybean from Jiangxi), Niuzi (Burdock Seed, half raw half stir-baked, crushed) (all in equal proportions).
Preparation and Administration: Take 3-5 qian per dose, decoct in water.

[Xue Ji] Pediatric Liuzhu (Flowing Abscess) refers to stagnation of Qi flow and coagulation of blood injection, representing a syndrome of insufficient Yuan Qi (Original Qi). It may result from sprains or falls, Liver fire with rebellious Qi, invasion of the Six Exogenous Pathogens, Spleen deficiency with food retention, or congenital predisposition. The pathogen knots in the limbs and joints, affecting the chest, abdomen, waist, and buttocks, presenting as nodules, diffuse swelling, or pain. All should be treated with Congyi Method (Green Onion Moxibustion/Fomentation), prioritizing the consolidation of Yuan Qi. For sprains and falls, use Heblood Dingtong Wan (Harmonize Blood and Stop Pain Pill); for Liver fire, use Jiuwei Lujian Wan (Nine-Ingredient Aloe Pill); for food retention, use Siwei Fei'er Wan (Four-Ingredient Child-Nourishing Pill). If the medication matches the syndrome, unformed abscesses will dissipate spontaneously, and formed abscesses will rupture spontaneously. If pus forms but does not rupture, it is due to deficient Yuan Qi; tonify first, then puncture, so that the toxin does not attack internally and Qi and Blood do not collapse. If pain persists after pus discharge, it is due to deficient Qi and Blood; use Bazhen Tang (Eight-Treasure Decoction). If vomiting and poor appetite occur, it is due to deficient Stomach Qi; use Sijunzi Tang (Four-Gentlemen Decoction). If there is nausea without eating or abdominal distension, it is due to deficient Spleen Qi; use Liujunzi Tang (Six-Gentlemen Decoction). If trismus and convulsions occur, it is a transformation syndrome due to extreme deficiency of Qi and Blood; use Shiquan Dabu Tang (Comprehensive Great Tonifying Decoction). Internal heat and afternoon fever indicate Yin Blood deficiency; use Siwu Tang (Four-Material Decoction) plus Renshen (Ginseng), [missing character in text, likely Huangqi or Maidong], and Baizhu (Atractylodes Macrocephala Rhizome). Exterior heat with aversion to cold indicates Yang Qi deficiency; use Shiquan Dabu Tang (Comprehensive Great Tonifying Decoction). Fluctuating heat, or heat appearing by day and hiding by night, or hiding by day and appearing by night, indicates deficient heat; one should greatly tonify Yuan Qi. If the lesion is red, swollen, and the pus is thick, it is treatable; if it is not red or hard, the pus is thin/clear, or the pulse is flooding, accompanied by aversion to cold, fever, thirst, and intolerance to tonification, it is untreatable.

Jianpi Shen Shi Yin (Strengthen Spleen and Leach Out Dampness Decoction): Treats early-stage sores with redness, swelling, and pain; damp-toxin flowing downward; or pain in the Huantiao acupoint.
Ingredients: Renshen (Ginseng), Baizhu (Atractylodes Macrocephala Rhizome), Cangzhu (Atractylodes Lancea Rhizome), Fangji (Stephania Root, mixed with wine), Huangbai (Phellodendron Bark, stir-baked), Chuanxiong (Ligusticum Rhizome), Chenpi (Citrus Peel), Danggui (Angelica Sinensis Root), Fuling (Poria) (each 0.5 qian), Mugua (Chaenomeles Fruit, avoid iron), Chaihu Shao (Bupleurum Root tip), Gancao (Licorice Root) (each 0.3 qian).
Preparation and Administration: Decoct in ginger water. If symptoms persist after 3-5 doses, add a small amount of Guizhi (Cinnamon Twig) and decoct in wine. For astringent urination, add Niuxi (Achyranthes Root); for body pain, add Qianghuo (Notopterygium Rhizome).

Heblood Dingtong Wan (also known as Heiwanzi/Black Pill): Treats Liuzhu, knee wind, or blood stasis from sprains/falls, causing limb and joint swelling and pain; self-dissipates upon ingestion. If fever occurs after ulceration, take concurrently with tonics for efficacy.
Ingredients: Baicaoshuang (Herbal Charcoal), Chixiaodou (Adzuki Bean), Chuanwu (Aconitum Carleilii Root, processed), Bailian (Belamcanda Rhizome), Baiji (Polygonatum Rhizome), Nanxing (Arisaema Rhizome, processed) (each 2 liang), Shaoyao (Peony Root), Danggui (Angelica Sinensis Root), Niuxi (Achyranthes Root) (each 5 liang), Gusuibu (Drynaria Rhizome) (4 liang).
Preparation and Administration: Grind into powder. Make pills using wine paste, sized like paulownia seeds. Take 20-30 pills per dose, washed down with plain warm water.

Shenxiao Congyi Method (Miraculous Green Onion Fomentation): Treats Liuzhu nodules, bone carbuncles, or crane-knee disease. First apply Ge Suan Jiu (Garlic-Separated Moxibustion); if residual swelling remains, use this fomentation method to promote Qi circulation and blood flow, dispersing stagnation with rapid effect. Also an excellent method for treating traumatic injuries, stopping pain, dispelling blood stasis, and reducing swelling.
Method: Finely chop green onions, pound them, stir-fry until hot, and frequently foment the affected area. Replace when cool. For crane-knee disease, concurrently administer Dafangfeng Tang (Great Saposhnikovia Decoction) for cure.

Ge Suan Jiu Method (Garlic-Separated Moxibustion): Treats Liuzhu, carbuncles and ulcers, crane-knee disease, etc. Apply 20-30 moxa cones daily. Moxa painful areas until pain ceases, and non-painful areas until pain arises. The toxin disperses with the fire. Fire facilitates free flow and draws out stagnant toxins; this is a contrary treatment method with life-saving power.
Method: Peel garlic, slice to the thickness of three cash coins, place on the lesion, and moxa on top of the garlic. After three cones, replace the garlic and continue moxa. Unformed lesions will dissipate; formed lesions will have their toxicity neutralized. For large sores, pound garlic and spread on the lesion, place moxa on top and burn. Replace garlic when it spoils. For lesions that are painless, suppurring, or non-elevating, and for Yin-type sores, moxa heavily. Generally, painless, non-suppurating, non-elevating sores indicate Qi and Blood deficiency and are often untreatable. However, sores on the head and face should not be heavily moxa. Infant moxibustion methods are detailed in the section on Ding Chuang (Carbuncle Sores).

Rusheng Bing (Like-Sage Cake): Treats Liuzhu and all sores that cannot dissipate, or ulcers that fail to converge/heal.
Ingredients: Ruxiang (Frankincense), Moyao (Myrrh), Muxiang (Aucklandia Root), Xuexie (Dragon's Blood), Danggui (Angelica Sinensis Root) (all in equal proportions), Shexiang (Musk) (half proportion).
Preparation and Administration: Grind into powder. Mix with wine paste to form two cakes, and foment while hot. Add Chan Su (Toad Venom) for toxic sores.

Danggui Buxue Tang (Angelica Tonifying Blood Decoction): Treats Liuzhu and post-ulcer internal heat, facial redness, irritability, and thirst, with a flooding yet empty pulse (empty upon heavy pressure). This is a Blood deficiency syndrome; misusing Baihu Tang (White Tiger Decoction) will be fatal. (Formula see Deficient Heat section)

Yiqi Yangrong Tang (Benefit Qi and Nourish Ying Decoction): Treats Liuzhu due to Qi and Blood weakness, inability to dissipate, or swelling in limbs and neck, regardless of hardness or color, pain or no pain, afternoon fever, or failure to heal after ulceration. (Formula see later)

Shiquan Dabu Tang (Comprehensive Great Tonifying Decoction): Treats various sores due to Qi and Blood weakness, unable to dissipate, suppurate, or heal. Or chills and fever with sweating, deviation of mouth and eyes, emaciation, and poor appetite. Or afternoon fever, spontaneous or nocturnal sweating. Or morning chills and evening heat, failure of sore to heal. (Formula see Spontaneous Sweating section)