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At the initial stage, chills and fever occur alternatingly like malaria; the patient prefers to wear more clothes and cover with quilts, feels dry in the mouth, and desires hot drinks. At this time, dispersing methods should be used. If the abscess has formed, presenting with internal heat, dry mouth preferring cold drinks, and constipation, mild purgation should be employed. If the disease has persisted for a long time and pus has formed internally, but the skin is unbroken causing distending pain, immediate needle drainage is required, and the treatment method should focus on tonifying and pushing out toxins. After ulceration, if the discharge is thin and clear, lingering deficiency-heat persists, and swelling and pain do not subside, nourishing yin and strengthening the spleen are indicated. If the wound fails to close, appetite decreases, residual swelling remains, and new flesh does not grow, vigorous tonification of the spleen and stomach is necessary.

A male patient presented with a localized swelling after four days, accompanied by itching and slight pain. One dose of Jiulong Dan was administered, resulting in five or six bowel movements, after which the swelling gradually subsided. He was then cured by taking Siwu Tang (Four Substances Decoction) added with Tianhuafen (Spikenard Root), Huangbai (Phellodendron Bark), and Zhimu (Anemarrhena Rhizome).
Another male patient suffered from this condition for over ten days, experiencing swollen pain, severe fever especially in the evening, and difficulty in urination. Two doses of Longdan Xiegan Tang (Gentian Liver-Draining Decoction) were given, slightly improving urination, but slight pain persisted, indicating impending suppuration. Tuoli Xiaodu San (Interior-Tonifying and Toxin-Expelling Powder) was prescribed with additions of Chanshanjia (Pangolin Scales), Zaojiaoci (Gleditsia Spine), and Zexie (Alisma Rhizome). After two doses, pus was discharged. The patient then took Shiquan Dabu Tang (Comprehensive Great Tonifying Decoction) for over a month until the wound healed.
A third male patient had severe swelling and distending pain, indicating that pus had already formed internally. He was immediately needled, discharging approximately one bowl of foul-smelling pus, and the pain decreased instantly. After taking more than ten doses of Shiquan Dabu Tang (Comprehensive Great Tonifying Decoction), his diet gradually improved, and pain subsided. However, the original ulceration was severe and difficult to heal completely. Intermittently, he swallowed Zhigancas (Prepared Licorice Root) with Lafan Wan (Wax Pill), and externally received moxibustion using Fuzi Bing (Aconite Cake). After three months of regulation, he recovered.
A fourth male patient had a history of phlegm-fire and had long taken descending medications, leading to localized swelling and pain. His pulse was fine and rapid, indicating that yin deficiency with damp-heat stagnation had formed. It was predicted that healing would be difficult after ulceration, so he declined treatment. Consequently, foul pus was discharged, the wound widened daily, fever persisted, and appetite vanished. Despite forced administration of warming middle-jiao, strengthening spleen, and tonifying qi-blood medicines, he ultimately died due to ineffectiveness.

Ziyin Bawu Tang (Nourishing Yin Eight-Ingredient Decoction)
Ziyin Bawu Tang consists of Dihuang (Rehmannia Root), Chishao (Red Peony Root), Danpi (Moutan Cortex), Huafen (Tianhuafen/Trichosanthes Root), Danggui (Angelica Sinensis), Gancao (Licorice Root), Chuanxiong (Ligusticum Rhizome), and Zexie (Alisma Rhizome), with Dengxincao (Juncus Effusus Pith) as a guide. Its efficacy is remarkable.
Indications: Initial stage of Xuanyong (Hanging Abscess), resembling a lotus seed, red and gradually swelling with dull pain.
Composition: Chuanxiong, Danggui, Chishao, Dihuang, Mudanpi, Tianhuafen, Gancaojie (Licorice Joint) (each 1 qian); Zexie (0.5 qian); Dahuang (Rhubarb Rhizome) (added if constipated, honey-fried, 1 qian).
Administration: Boil 2 zhong of water with 20 roots of Dengxincao to 0.8 zhong; take before meals.

Zhifencao Gao (Roasted Licorice Paste)
Zhifencao Gao has two preparations; the combination of Danggui and Gancao is often effective.
When prepared as a paste and taken with good wine, it brings joy by resolving swelling and pain of Xuanyong.
Indications: For established Xuanyong where oral medication cannot resolve the swelling internally. It resolves unformed swellings, induces rupture of formed ones, and promotes closure of ulcers. This is an excellent medicine for treating Xuanyong.
Composition: Dafengcao (Large Licorice Root) 4 liang, soaked in running water, dried over charcoal fire, soaked and dried again, repeated three times, then sliced; Gancao (Licorice Root) 3 liang, Dangguishen (Angelica Root Body) 3 liang.
Administration: Boil in 3 bowls of water over slow fire until thick paste forms. Remove dregs and boil further until concentrated. Take 3 qian daily, dissolved in a large cup of good non-fermented hot wine, taken on an empty stomach for best results.

Huanyuan Baozhen Tang (Restoring Origin and Preserving Truth Decoction)
Huanyuan Baozhen Tang consists of Siwu Tang (Four Substances Decoction) plus Renshen (Ginseng Root), Fuling (Poria), Mudanpi (Moutan Cortex), Baizhu (Atractylodes Macrocephala Rhizome), Gancao (Licorice Root), Huangqin (Scutellaria Root), Gouqi (Goji Berry), Fuzi (Aconite Lateral Root), Rougui (Cinnamon Bark), and Zexie (Alisma Rhizome).
Indications: Established Xuanyong with open wounds, dripping pus, and failure to heal.
Composition: Danggui, Chuanxiong, Baishao (White Peony Root), Shudi (Prepared Rehmannia Root), Baizhu, Fuling, Renshen, Huangqin (each 1 qian); Mudanpi, Gouqizi (Goji Berry) (each 0.8 qian); Zhigancao (Roasted Licorice Root), Shufuzi (Prepared Aconite Lateral Root) (each 0.5 qian); Rougui, Zexie (each 0.3 qian).
Administration: Boil 2 zhong of water with 3 slices of Weijiang (Baked Ginger) and 2 Jujubes to 0.8 zhong; take before meals.

Ziyin Jiubao Yin (Nourishing Yin Nine-Treasure Drink)
Ziyin Jiubao Yin consists of Chuanxiong, Danggui, Baishao, Huanglian (Coptis Rhizome), Dihuang, Tianhuafen, Zhimu, Huangbai, and Dahuang. Its efficacy upon decoction and ingestion is praiseworthy.
Indications: For Xuanyong caused by accumulation of heat from rich foods, with stagnant urination, constipation, internal heat, dry mouth, irritability, thirst for cold drinks, and deep, solid, and forceful pulses throughout all positions.
Composition: Chuanxiong, Danggui, Baishao, Dihuang, Huanglian, Tianhuafen, Zhimu, Huangbai, Dahuang (mixed with honey water and stir-fried, each 2 qian).
Administration: Boil 2 zhong of water to 0.8 zhong; take on an empty stomach.