伤燥病脉证并治第十

Chapter 10: Pattern and Treatment of Dryness-Ohg Infection Disease

Holistic Paraphrase

This chapter specifically discusses the pulse patterns and treatment methods of "dryness-injury disease" (shang zao bing). After contraction of dryness pathogen (a pathogenic factor characterized by dryness and consumption of body fluids), the lung bears the brunt of invasion initially. The lung and large intestine are internally-externally paired (in Chinese medicine, the two are considered physiologically and pathologically interrelated). Thus, the dryness pathogen transmits from the lung externally to the large intestine; if it continues to develop, it can further transmit to the five viscera. Because the affected viscera differ, the symptoms vary accordingly, so one must differentiate patterns separately, carefully examining pulse manifestations and channel collateral changes.

• Dryness pathogen injuring the lung: Thirst, dry throat, panting, cough, chest fullness with pain, and in severe cases even coughing up blood; the pulse is floating, short, and rapid. Ancient texts consider this dryness pathogen desiccating the lung, treated primarily with Zhuye Shigao Xingzi Gancao Tang (Bamboo Leaf, Gypsum, Apricot Kernel, and Licorice Decoction). If the dryness pathogen moves to the large intestine, there will be difficult stool, thirst, yet a preference for hot water; the pulse is rapid and large, the disease location is lower, treated with Maren Baimi Jian (Hemp Seed and White Honey Decoction).

• Dryness pathogen offending the heart: Oral ulceration, qi counterflow, chest pain, with a large and rough pulse. This is considered dryness pathogen riding the heart, treated with Zhizi Lianqiao Gancao Gualou Tang (Gardenia, Forsythia, Licorice, and Trichosanthes Decoction).

• Dryness pathogen offending the liver: Red eyes, heavy and uncomfortable body, dry throat, pain beneath the ribs, with a wiry and rapid pulse. This is considered dryness pathogen riding the liver, treated with Huangqin Mudanpi Gualou Banxia Zhishi Tang (Scutellaria, Moutan Bark, Trichosanthes, Pinellia, and Immature Bitter Orange Decoction).

• Dryness pathogen offending the spleen: Yellowish skin, abdominal pain that worsens on pressure, difficult stool, with a rapid and slippery pulse. This is considered dryness pathogen riding the spleen, treated with Baihu Tang (White Tiger Decoction).

• Dryness pathogen moving to the kidney: Dry throat, sore throat, lower abdominal cramping pain, dark yellow urine, with a deep and rapid pulse. This is considered dryness pathogen moving to the kidney, treated with Dihuang Huangbai Fuling Gualou Tang (Rehmannia, Phellodendron, Poria, and Trichosanthes Decoction).

The composition and decoction method of the six formulas appended in the original text are as follows. The above formula compositions and decoction methods are all verbatim transcriptions from the classical text and are provided for literature study only. They must not be self-prescribed or replicated:

• Zhuye Shigao Xingzi Gancao Tang: One handful of bamboo leaves, half a jin of gypsum, thirty apricot kernels (skins and tips removed), two liang of licorice. Boil these four ingredients in five sheng of water, reduce to three sheng, strain, and take one sheng warm, three times daily.
• Maren Baimi Jian: One sheng of hemp seeds, six ge of white honey. Boil the hemp seed first in four sheng of water, reduce to one sheng and five ge, strain, add white honey, simmer over low heat until incorporated, let cool slightly, and take in one dose.
• Zhizi Lianqiao Gancao Gualou Tang: Fourteen gardenia fruits (split), two liang of forsythia, two liang of licorice, four liang of trichosanthes root. Boil these four ingredients in seven sheng of water, reduce to three sheng, strain, and take one sheng warm, three times daily.
• Huangqin Mudanpi Gualou Banxia Zhishi Tang: Three liang of scutellaria, two liang of moutan bark, one large trichosanthes fruit (crushed), half a sheng of pinellia (washed), two immature bitter oranges. Boil these five ingredients in five sheng of water, reduce to three sheng, strain, and take one sheng warm, three times daily.
• Baihu Tang: Six liang of anemarrhena, one jin of gypsum (broken and wrapped in cotton cloth), two liang of licorice (honey-fried), six ge of japonica rice. Boil these four ingredients in one dou of water until the rice is cooked and the decoction is ready, strain, and take one sheng warm, three times daily.
• Dihuang Huangbai Fuling Gualou Tang: Six liang of rehmannia, three liang of phellodendron, three liang of poria, four liang of trichosanthes root. Boil these four ingredients in six sheng of water, reduce to three sheng, strain, and take one sheng warm, three times daily.

🧠 Deep Understanding

Core Principles 💡

This chapter embodies the etiological features, transmission patterns, and viscera-based treatment rationale of dryness disease.

• Characteristics of the pathogen: Dryness is one of the six qi, dry and astringent in nature, most prone to consuming the body's fluids. The lung is a "delicate viscus," externally connected to the skin and body hair, opening to the nose, and corresponding to autumn dryness qi, which is why the dryness pathogen most easily injures the lung first.
• Transmission pathway: The statement "the lung receives it first, then externally the large intestine receives it, and gradually it transmits to the five viscera" reflects the view that externally contracted dryness pathogen spreads from the lung to the large intestine, and proceeds from the bowels to the viscera. The core theoretical framework remains lung and large intestine being internally-externally paired as well as the five phases engendering, restraining, and aggressing cycles.
• Treatment principle: The principle of this chapter can be summarized as "moisten what is dry." Specific methods vary by disease location: for lung dryness, clear heat and diffuse the lung, moisten dryness and stop cough; for large intestine dryness, moisten the intestines and promote bowel movement; for heart dryness, clear the heart and descend fire; for liver dryness, clear the liver and regulate qi; for spleen dryness, clear stomach heat and preserve fluids; for kidney dryness, nourish yin and clear heat. The overall emphasis on "preserving fluids" is consistent with the consistent approach of the Shanghan Lun (Treatise on Cold Damage).
• Differentiation essentials: The chapter repeatedly emphasizes "differentiate and treat separately, carefully examine the pulse and channel changes," indicating that one should not merely look at local symptoms but should engage in pattern differentiation and treatment based on pulse findings, visceral localization, and transmission trends.

Modern Understanding 🌟

From a modern perspective, the "dryness pathogen" described in this chapter can be understood as a simplified summary of a composite state involving environmental dryness, fluid loss, reduced moisture of respiratory and digestive mucosal surfaces, and certain mild inflammatory responses. Manifestations such as thirst, dry throat, dry cough, constipation, dark urine, red eyes, and mucous membrane ulceration can be partially analogized to modern descriptions of dehydration, reduced mucus secretion, and mild inflammatory irritation.

The gypsum, anemarrhena, trichosanthes, hemp seed, and rehmannia mentioned in the chapter have received some directional recognition in modern research regarding antipyretic, anti-inflammatory, bowel-moistening, and secretion-promoting properties. However, ancient dosages, combinations, and preparation methods cannot be directly replicated; their efficacy and safety still require confirmation through modern pharmacological and clinical research.

It must be clearly stated: The five movements and six qi, five-phase transmission, and "dryness pathogen riding the viscera" are theoretical models used by ancients to explain pathomechanisms, not pathological evidence in modern medicine. "Dryness pathogen riding the heart," "riding the liver, " and "riding the spleen" should not be directly equated with organic diseases of the heart, liver, or spleen. The content of this chapter should be studied as classical Chinese medical theory and principles, rather than as a basis for disease diagnosis.

Health Preservation Insights ⚡

• Living environment: During seasons marked by dryness and wind or pronounced dryness with heat, attention should be paid to maintaining appropriate humidity in living spaces, avoiding prolonged exposure to hot, windy, and dry environments.
• Dietary regulation: The diet should favor sweet, moistening, and light foods with adequate water intake. Foods with moistening properties such as pear, lily bulb, and white fungus may be appropriately consumed; pungent, grilled, deep-fried, and alcohol-tobacco items that promote dryness and injure yin should be minimized.
• Bowel movement and rest: Maintain regular bowel habits, avoid excessive straining from constipation; ensure adequate sleep to prevent nighttime wakefulness from consuming yin fluids.
• Emotional regulation: Avoid agitation and anger, as intense emotions readily transform into fire and consume fluids, aggravating states of dryness.
• Important reminder: The above represents only general health preservation directions and does not target any specific disease. If persistent dry mouth, dry cough, hemoptysis, abdominal pain, oliguria, or sore throat with swelling occur, seek medical attention promptly and do not self-apply ancient formulas.

📚 Related Knowledge

• Related concepts: Five movements and six qi, six qi (wind, cold, summer heat, dampness, dryness, fire), dryness pathogen, lung and large intestine internally-externally paired, five-phase transmission, body fluids, Baihu Tang family of formulas, Trichosanthes family of formulas, autumn dryness.
• Further reading: Suwen · Zhi Zhen Yao Da Lun "When dryness prevails, there is desiccation"; Suwen · Yin Yang Ying Xiang Da Lun "The west generates dryness, dryness generates metal"; Wen Bing Tiao Bian · Qiu Zao; relevant sections of the Jingui Yaolue.

This content is based on classical Chinese medical texts and is provided solely for traditional cultural learning and study. It does not constitute any medical diagnosis, medication, or treatment advice. If unwell, please seek medical attention promptly. — BUGUA