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Decoction for Treating Huan Ju (Slow-Developing Abscess).
In the initial stage, it is appropriate to take Wuxiang Liaoqiao Tang (Five-Spice and Forsythia Decoction) to expel blood stasis. Apply a thin layer of crushed Adzuki Bean (Vigna angularis) to the affected area. During this period, puncture the area with a needle multiple times to drain blood, then reapply the crushed beans. This method yields excellent results.
If the swelling does not subside and the color has not turned cyanotic or blackish, apply a thin layer of polished stone powder (Lian Shi) to the lesion. If the condition is neglected and fails to resolve, leading to ulceration, continue administering Wuxiang Liaoqiao Tang and Loulu Tang (Euphorbiae Humifusae Decoction) to purge heat toxins, adjusting the dosage according to the severity of the heat. Wash the external wound with Shengma Tang (Cimicifugae Decoction) and apply Shengma Ointment. If foul-smelling necrotic tissue grows, apply Baoru San (White Rhizome Powder) alone externally. Once the cyanotic and black necrotic tissue is completely removed, resume application. When healthy granulation tissue begins to regenerate, applying raw Hemp Seed Oil Ointment (Sheng Ma Gao) is beneficial. If flesh fails to regenerate, apply Huang San (Yellow Powder) alone.
If prolonged application of Baoru San fails to remove all cyanotic and black necrotic tissue, mix half a measure of Qitou Chipi Ru San (Lac-Head Red-Bark Rhizome Powder) with three large measures of Baoru San, grind them together thoroughly, and apply gradually. Once all necrotic tissue is removed, revert to using pure Baoru San. Observe when healthy tissue is about to grow; at this point, apply Huang San.

Baoru San (White Rhizome Powder)
Qitou Chipi Ru San (Lac-Head Red-Bark Rhizome Powder)
Huang San (Yellow Powder)
The above three formulas consist of single herbs used independently. Crush and sieve them as needed for use.
To treat Huan Ju, apply crushed Adzuki Beans thinly in the early stages; this can also resolve the condition.

Fugu Ju (Abscess Attached to Bone), also known as Tie Gu Ju (Bone-Clinging Abscess), derives its name from the absence of a head and the formation of pus adhering closely to the bone. It is also called Yong Ju (Carbuncle-Abscess) because the lesion is extensive and involves widespread suppuration throughout the body. Fugu Ji Ju (Acute Abscess Attached to Bone) presents symptoms similar to Zei Feng (Thief Wind). This condition arises when internal heat accumulates in the body, and prolonged exposure to wind-cold allows cold pathogens to penetrate deep into the interstices of the bones. The wind and heat pathogens then contend with each other. Initial signs include somnolence, heaviness of the body, mental confusion, and tinnitus. In acute cases, heat predominates over wind; in chronic cases, wind predominates over heat.
Patients with Zei Feng typically have a normal body temperature without internal heat. Upon sudden exposure to violent cold winds, they experience deep pain in the bone joints. Chronic Fugu Ju leads to swelling and pus formation, whereas chronic Zei Feng may result in emaciation or the development of Lu Li (Scrofula/Lymphatic Tuberculosis). This distinction serves as a diagnostic criterion. Treating Fugu Ju as Zei Feng exacerbates the disease, increasing deep-seated pus. Conversely, treating Zei Feng as Fugu Ju aggravates the cold pathogen, potentially leading to complications such as Lu Li, hemiplegia, and tendon contraction/deformity.
In patients with Acute Fugu Ju, the painful area is hot to the touch, accompanied by alternating chills and fever, shivering aversion to cold (disliking warmth), reddish urine, difficult defecation, and anhidrosis. Immediate treatment to clear heat will lead to resolution. Even if complete resolution does not occur, the lesion becomes superficial and easier to rupture, ceasing to adhere deeply to the bone. The syndrome of Zei Feng is characterized by pain localized to the bone that cannot be pressed, absence of local heat, numbness, alternating chills and fever, a sensation of coldness in the body, and a desire for warmth. Pain relief can be achieved through hot compresses on the painful area, sometimes accompanied by sweating. Immediate acupuncture, moxibustion, and hot iron therapy (Wen), along with administration of wind-warming herbal medicines, yield effective results.
Upon the onset of Fugu Ju, immediately administer Loulu Tang to purge, and apply crushed Adzuki Beans thinly to resolve the swelling. If diarrhea occurs after purging, leaving the patient deficient while the swelling persists, replace Da Huang (Rhei Radix et Rhizoma) with Sheng Di Huang (Rehmanniae Radix Recens) and Gan Di Huang (Rehmanniae Radix Preparata). As heat subsides but residual wind remains, administer Wuxiang Liaoqiao Tang without Da Huang. If residual heat persists, applying Shengma Ointment is optimal. If the condition is neglected and suppuration forms, treat it using fire needles, ointments, and powders according to the protocols for treating Yong (Carbuncles).