Sang Xing Tang: Clearing Warm-Dryness and Moistening the Lungs to Relieve Persistent Dry Coughs
I. Prescription Source and History
1. Wisdom of Ancient Physicians
Sang Xing Decoction originates from *Wenbing Tiaobian* (Treatise on Febrile Diseases) written by Wu Jutong, a renowned expert on febrile diseases in the Qing Dynasty. Based on summarizing the experiences of his predecessors in treating febrile diseases and combining this with his own clinical practice, Wu Jutong created many practical formulas, Sangxing Decoction being one of them. As the theory of febrile diseases continued to develop, a systematic theory and methodology for treating exogenous febrile diseases gradually formed. The emergence of Sangxing Decoction provided an effective treatment plan for the initial stage of febrile diseases, when the pathogenic factor is in the lung and wei levels, and dryness and heat are predominant.
2. Background and Clinical Needs
During the Qing Dynasty, the prevalence of epidemic febrile diseases was relatively frequent. When the pathogenic factor of warmth and heat invaded the human body, it often manifested as symptoms of the lung and defensive qi in the initial stage. In the medical practice at that time, more precise and effective prescriptions were needed for the treatment of such diseases. Sangxing Decoction was precisely born in response to this clinical need. It is targeted at the syndrome of dryness and heat in the lung and defensive qi at the initial stage of febrile diseases, and can quickly relieve symptoms and prevent the further development of the disease, reflecting the continuous exploration and innovation of ancient physicians in the understanding and treatment of diseases.

II. Introduction to Ingredients
1. Monarch Herbs: Mulberry Leaf, Apricot Kernel
- Mulberry Leaf
- Nature, flavor, meridian tropism: Sweet and bitter in flavor, cold in nature. It acts on the lung and liver meridians.
- Efficacy and function: Mori Folium has the effects of dispelling wind-heat and moistening the lung dryness. In Sangxing Decoction, it can quickly dispel the dry-heat in the lung-defense, and is a key drug for treating the initial stage of warm diseases. Its light and clear nature can make the pathogenic dry-heat in the lung disperse, just like a gentle breeze blowing away the heat.
- Pharmacological research: Modern research shows that mulberry leaves contain various chemical components such as flavonoids and polysaccharides, and have anti-inflammatory, antibacterial, antiviral and other effects. It can reduce the inflammatory reaction in the lungs and has certain therapeutic mechanism support for the syndrome of dryness-heat in the lung-defense at the initial stage of warm diseases.
- Almonds
- Nature, flavor, meridian tropism: Bitter in taste, slightly warm in nature. It belongs to the lung and large intestine meridians.
- Functions and effects: Almonds have the effects of descending qi to relieve cough and asthma, and moistening the intestines to promote defecation. It can descend and purify the lung qi, relieve cough and asthma, and has a good relieving effect on the symptoms of cough and asthma caused by dryness and heat in the lung defense. At the same time, its effect of moistening the intestines to promote defecation can regulate the lung qi, contributing to the improvement of the overall condition.
- Pharmacological research: Almonds contain components such as amygdalin, which have the effects of relieving cough, dispelling phlegm, and relieving asthma, and can effectively relieve respiratory symptoms. In Sangxing Decoction, it synergistically acts with mulberry leaves, enhancing the therapeutic effect of the prescription on lung defense diseases.
2. Minister Herbs: Adenophora Root, Fritillary Bulb
- Adenophora stricta
- Nature, flavor, meridian tropism: Sweet and slightly bitter in taste, slightly cold in nature. It belongs to the lung and stomach meridians.
- Functions and effects: Adenophora stricta has the effects of nourishing yin to moisten the lung and promoting the production of fluid to nourish the stomach. In Sangxing Decoction, it can assist mulberry leaves and almonds, enhancing the power of clearing heat and moistening dryness, nourishing yin and promoting the production of fluid, preventing excessive damage to yin by dryness and heat, and providing support for the nourishment of lung yin.
- Pharmacological research: Adenophora stricta contains various components such as saponins and polysaccharides, which have the effects of immunomodulation and antioxidant, can enhance the body's immunity, and protect the lung tissue from further damage by dryness and heat pathogens.
- Fritillaria thunbergii var. chekiangensis
- Nature, flavor, meridian tropism: Bitter, sweet, cold in nature. It belongs to the lung and heart meridians.
- Functions and effects: Fritillaria thunbergii has the functions of clearing heat and resolving phlegm, moistening the lungs and relieving cough, and dissipating nodules and relieving swelling. It can resolve phlegm and relieve cough, and has a good conditioning effect on the condition of dryness and heat in the lung defense with concomitant phlegm pathogen, clearing the phlegm and reducing the cough symptoms.
- Pharmacological research: Fritillaria thunbergii contains components such as alkaloids, which have the effects of relieving cough, reducing phlegm, and anti-inflammatory. Its application in Sangxing Decoction helps to improve the pathological state of the lungs and promote the recovery of the disease.
3. Assistant Herbs: Gardenia Bark, Pear Peel
- Cortex Gardeniae
- Nature, flavor, meridian tropism: Bitter, cold in nature. It belongs to the heart, lung, and triple energizer meridians.
- Functions and effects: Cortex Gardeniae has the function of clearing heat and purging fire. It can enhance the heat-clearing power of the prescription, clear the stagnant heat in the lungs, more thoroughly remove the dryness and heat in the lung defense, and prevent the further internal transmission of pathogenic heat.
- Pharmacological research: Cortex Gardeniae contains components such as geniposide, which have the effects of anti-inflammatory and antipyretic, can reduce body temperature, relieve the inflammatory reaction, and have a certain relieving effect on symptoms such as fever at the initial stage of warm diseases.
- Pear peel
- Nature, flavor, meridian tropism: Sweet and astringent in flavor, cool in nature. It belongs to the Lung Meridian.
- Efficacy and function: Pear peel has the effects of clearing heat and promoting fluid production, moistening dryness and relieving cough. It can supplement body fluids, relieve symptoms such as dry throat and thirst caused by dryness-heat in the Lung Defensive (Wei) system, and at the same time assist in relieving cough, making the curative effect of the formula more comprehensive.
- Pharmacological research: Pear peel contains various nutrients such as vitamins and minerals, and has a certain effect of nourishing yin and moistening dryness. It can regulate the body's water metabolism and is of positive significance for improving the syndrome of dryness-heat in the Lung Defensive (Wei) system.
4. Messenger Herb: Licorice Root
- Nature, flavor, meridian tropism: Sweet in flavor, neutral in nature. It belongs to the Heart, Lung, Spleen and Stomach Meridians.
- Efficacy and function: Licorice has the effects of invigorating the spleen and replenishing qi, moistening the lungs and relieving cough, clearing heat and detoxifying, and coordinating various herbs. In the Sangxing Decoction, it can both moisten the lungs and relieve cough, enhancing the cough-relieving effect of the formula, and coordinate various herbs, enabling each herb in the formula to exert its effects synergistically, avoiding the mutual conflict between herbs, and ensuring the safety and effectiveness of the formula.
- Pharmacological research: Licorice contains components such as glycyrrhizic acid and liquiritin, and has effects such as anti-inflammatory, anti-allergic, and immunomodulatory. It can reduce lung inflammation, regulate the body's immune function, and promote the improvement of the condition.

III. Pathogenesis, Effects and Indications
1. Analysis of Pathogenesis
The pathogenesis targeted by the Sangxing Decoction is the initial stage of warm disease, with pathogenic factors in the Lung Defensive (Wei) system and preponderance of dryness-heat. The warm pathogen invades the human body and first attacks the lung. The lung governs qi and controls respiration, opens into the nose, and is externally related to the skin and hair, so the Lung Defensive (Wei) system is the first to be affected. The lung is a delicate organ, preferring moistness and loathing dryness. The warm pathogen is most likely to damage the lung fluid, resulting in preponderance of dryness-heat in the lung. The dryness-heat pathogen stagnates in the lung, causing the lung qi to fail to disperse, so cough and asthma are seen; dryness-heat injures the body fluids, resulting in symptoms such as dry throat and thirst. At this time, the condition is still mild and the disease location is in the Lung Defensive (Wei) system. If the dryness-heat pathogen in the Lung Defensive (Wei) system can be cleared and drained in time, the further development of the condition can be prevented.
2. Explanation of Effects
Mulberry and Apricot Decoction It has the effects of clearing and dispersing warm dryness, moistening the lungs and relieving cough. In the formula, mulberry leaf and apricot kernel gently disperse the warm dryness in the lung defensive qi, serving as the monarch drugs;南沙参、象贝母养阴清肺、化痰止咳,辅助君药加强清热润燥之力,为臣药;栀子皮清泄肺中郁热,梨皮清热生津、润燥止咳,佐助君臣药,为佐药;甘草润肺止咳、调和诸药,为使药。诸药合用,共奏清宣温燥、润肺止咳之功,使肺卫燥热得以清解,肺气宣畅,咳嗽、咽干口渴等症状得以缓解。
3. Indicated Diseases
Mulberry and Apricot Decoction It is mainly used to treat exogenous warm dryness syndrome. Symptoms include headache, mild body fever, thirst, dry throat and nose, dry cough without phlegm, or scanty and sticky phlegm, red tongue, thin white and dry tongue coating, floating and rapid pulse with a larger right pulse. This syndrome type is more common in exogenous warm dryness pathogens in autumn. At the initial stage, the disease is in the lung defensive qi, mainly characterized by dryness-heat injuring body fluids, without obvious exterior cold symptoms such as aversion to cold and fever. In clinical application, as long as the above symptom manifestations are met, Mulberry and Apricot Decoction can be used for treatment.

IV. Analysis of Formula Principles
1. Combining Dispersing with Nourishing
Mulberry leaf and apricot kernel gently disperse and clear away the warm dryness in the lung defensive qi, enabling the warm dryness pathogens in the lung to be dispersed and expelled. Nanshashen (Radix Adenophorae), Fritillaria thunbergii, and pear peel nourish yin and moisten the lung, promote the production of body fluid and relieve cough, preventing excessive impairment of yin by dryness-heat, and at the same time resolve phlegm and relieve cough, enabling the phlegm in the lung to be cleared. Gardenia cortex clears away the stagnant heat in the lung, further enhancing the heat-clearing power and comprehensively removing the pathogenic factors of dryness-heat in the lung defense. The combination of dispersing and moistening-clearing not only targets the pathogenesis characteristics of warm febrile disease at the initial stage with dryness-heat in the lung defense, but also avoids the drawbacks of excessive bitterness and coldness of clearing-heat drugs causing yin impairment when used alone, or the greasy and pathogen-obstructing effects of yin-nourishing drugs when used alone, reflecting the subtlety of traditional Chinese medicine in using drugs.
2. Treating Lung and Large Intestine Together
Apricot kernel can not only lower qi and relieve cough and asthma, but also moisten the intestines and promote defecation. The lung and the large intestine are interior-exteriorly related. The warm dryness pathogens in the lung defensive qi can be transmitted downward to the large intestine, resulting in the disorder of the large intestine's conduction function and symptoms such as constipation. By promoting defecation with apricot kernel, the qi mechanism of the lung and the large intestine can be unobstructed, the lung qi can be regulated, which helps to expel the warm dryness pathogens in the lung defensive qi. At the same time, smooth defecation is also beneficial to the downward discharge of pathogenic heat in the body, thus alleviating the warm dryness symptoms in the lung defensive qi. This is the specific application of the theory of treating the lung and the large intestine simultaneously in Mulberry and Apricot Decoction.
3. Synergistic Effect of Drug Compatibility
In the formula, each drug is mutually compatible and plays a synergistic role. The compatibility of mulberry leaf and apricot kernel enhances the power of dispersing the warm dryness in the lung defensive qi; the compatibility of南沙参 and fritillary bulb strengthens the effects of nourishing yin and clearing the lung, resolving phlegm and relieving cough; the compatibility of gardenia peel and pear peel enhances the effects of clearing heat and promoting fluid production, moistening dryness and relieving cough; licorice harmonizes all the drugs, making the drugs in the whole formula coordinate with each other and jointly achieve the therapeutic purpose of clearing and dispersing warm dryness, moistening the lungs and relieving cough. This synergistic effect between drugs fully reflects the scientificity and rationality of the compatibility of traditional Chinese medicine prescriptions.

V. Comparison with Other Similar Prescriptions
1. Comparison with Sangju Decoction
- Composition differences
- Sangju Decoction: Folium Mori, Flos Chrysanthemi, Semen Armeniacae Amarum, Fructus Forsythiae, Herba Menthae, Radix Platycodonis, Radix Glycyrrhizae, Rhizoma Phragmitis.
- Sangxing Decoction: Folium Mori, Semen Armeniacae Amarum, Radix Adenophorae, Bulbus Fritillariae Thunbergii, Cortex Gardeniae, Pericarpium Piri, Radix Glycyrrhizae.
- Focus on efficacy
- Sangju Decoction: It focuses on dispersing wind and clearing heat, and dispersing lung qi to arrest cough. It is mainly used for the initial stage of wind-warm disease, with the syndrome of pathogenic factors invading the lung collaterals, presenting with symptoms such as fever, slightly aversion to wind and cold, and cough.
- Sangxing Decoction: Focuses on clearing and dispersing warm dryness, moistening the lungs and relieving cough. It is mainly used to treat the syndrome of exogenous warm dryness, with headache, mild body fever, thirst, dry throat and nose, and dry cough without phlegm as the main symptoms.
- Applicable diseases and syndromes
- Sangju Decoction: It is applicable to the initial stage of wind-warm syndrome, with relatively mild exterior heat, and the heat pathogen in the lungs is not yet obvious, mainly manifested as wind-heat attacking the lungs.
- Sangxing Decoction: It is applicable to the syndrome of exogenous warm dryness in autumn, with relatively strong dryness-heat in the lung-defense, mainly manifested as dryness-heat injuring body fluids.
2. Comparison with Xingsu Powder
- Composition differences
- Xingsu Powder: Perilla leaf, Pinellia ternata, Poria cocos, Peucedanum praeruptorum, Platycodon grandiflorum, Fructus aurantii, Glycyrrhiza glabra, Ginger, Jujube, Apricot kernel, Tangerine peel.
- Sangxing Decoction: Mulberry leaf, Apricot kernel, Adenophora stricta, Fritillaria thunbergii, Gardenia jasminoides peel, Pear peel, Glycyrrhiza glabra.
- Efficacy focus
- Xingsu Powder: It has the efficacy of mildly dispersing cool dryness and regulating the lungs to resolve phlegm. It is mainly used for the syndrome of exogenous cool dryness, with the main symptoms of aversion to cold without sweating, cough with thin sputum, nasal congestion and dry throat.
- Sangxing Decoction: It has the efficacy of clearing and dispersing warm dryness and moistening the lungs to relieve cough. It is mainly used for the syndrome of exogenous warm dryness, with the main symptoms of headache, mild body heat, thirst, dry throat and nose, and dry cough without phlegm.
- Applicable diseases and syndromes
- Xingsu Powder: Applicable to the syndrome of exogenous cool dryness, with relatively severe cold pathogen, failure of the lung to disperse and descend, and internal obstruction of phlegm-dampness.
- Sangxing Decoction: Applicable to the syndrome of exogenous warm dryness, with relatively severe dryness-heat and injury of lung fluid.
Sangxing Decoction: A classic formula for regulating autumn dryness with dry cough, dry throat <span class=">thirst and feverish headache HJMEDICAL">
VI. Clinical Applications and Indications
1. Respiratory Diseases
- Upper respiratory tract infection
- Symptom manifestations: Upper respiratory tract infection caused by exogenous warm dryness pathogen often presents symptoms such as fever, slight aversion to wind-cold, headache, dry throat and thirst, nasal dryness, dry cough, etc.
- Application of Sangxing Decoction: The effects of Sangxing Decoction in clearing and dispersing warm dryness, moistening the lung and relieving cough can effectively relieve the dryness-heat symptoms caused by upper respiratory tract infection, alleviate discomfort such as cough and dry throat, and promote the recovery of the disease.
- Bronchitis
- Symptom manifestations: For bronchitis of the type of warm dryness invading the lung, patients may present with symptoms such as cough, unsmooth expectoration, dry throat and mouth, etc.
- Application of Sangxing Decoction: Sangxing Decoction can clear and disperse the warm dryness in the lung-defense, resolve phlegm and relieve cough, improve the symptoms of bronchitis patients, reduce the frequency of cough attacks, relieve the viscosity of sputum, and make the respiratory tract unobstructed.
2. Otorhinolaryngological Diseases
- Nasal dryness
- Symptom manifestations: In autumn, the climate is dry, and when affected by the pathogenic factor of exogenous warm dryness, symptoms such as nasal dryness, dry throat, and slight pain may occur.
- Application of Sangxing Decoction: Sangxing Decoction contains various herbs for clearing heat and moistening dryness, which can moisten the nasal cavity, relieve the symptom of nasal dryness, and at the same time clear and drain the warm dryness in the lung to prevent the further development of the disease.
- Dry throat and sore throat
- Symptom manifestations: Invaded by the pathogenic factor of warm dryness, it is easy to cause dry throat and sore throat, accompanied by symptoms such as thirst and cough.
- Application of Sangxing Decoction: Sangxing Decoction can clear and disperse the warm dryness in the lung-defense, promote the production of body fluid and moisten dryness, relieve the symptoms of dry throat and sore throat, relieve the pain of patients, and promote the recovery of the throat.
Mulberry and Apricot Decoction: A classic formula for regulating dry cough, dry throat, thirst, and headache due to autumn dryness.
VII. Modifications
1. Those with severe heat
It can be added with ingredients for clearing heat and purging fire such as Gypsum Fibrosum and Anemarrhena Rhizome to enhance the effect of clearing heat. Gypsum Fibrosum is pungent, sweet, and extremely cold in nature, attributing to the lung and stomach meridians, with the effects of clearing heat and purging fire, removing vexation and quenching thirst; Anemarrhena Rhizome is bitter, sweet, and cold in nature, attributing to the lung, stomach, and kidney meridians, with the effects of clearing heat and purging fire, nourishing yin and moistening dryness. When combined with Mulberry and Apricot Decoction, they can more effectively clear the heat of the lung and stomach, and are applicable to those with more severe transformation of warm dryness into heat, presenting symptoms such as high fever and thirst.
2. Those with severe cough
It can be added with ingredients for relieving cough and asthma such as Tussilago Farfara and Aster Tataricus. Tussilago Farfara is pungent, slightly bitter, and warm in nature, attributing to the lung meridian, with the effects of moistening the lung and lowering qi, relieving cough and resolving phlegm; Aster Tataricus is pungent, bitter, and warm in nature, attributing to the lung meridian, with the effects of moistening the lung and lowering qi, eliminating phlegm and relieving cough. Adding these two herbs to the basis of Mulberry and Apricot Decoction can enhance the effect of relieving cough and asthma, and is applicable to those with relatively severe cough symptoms that affect the patient's quality of life.
3. Those with severe fluid injury
It can be added with ingredients for nourishing yin and promoting fluid production such as Ophiopogon Japonicus and Polygonatum Odoratum. Ophiopogon Japonicus is sweet, slightly bitter, and slightly cold in nature, attributing to the heart, lung, and stomach meridians, with the effects of nourishing yin and moistening the lung, promoting fluid production in the stomach, and clearing away heart vexation; Polygonatum Odoratum is sweet and neutral in nature, attributing to the lung and stomach meridians, with the effects of nourishing yin and moistening dryness, promoting fluid production and quenching thirst. For those with obvious impairment of body fluids by warm dryness, presenting symptoms such as dry mouth and tongue, and scanty tongue coating with red color, adding these two herbs can better nourish the yin of the lung and stomach and supplement body fluids.
Mulberry and Apricot Decoction: A classic formula for regulating dry cough, dry throat, thirst, and headache due to autumn dryness.
VIII. Dosage (Traditional and Modern Concentrated Granules)
1. Traditional method
- Drug weighing: According to the original formula composition, Folium Mori is one qian (3g), Armeniacae Semen Amarum is one and a half qian (4.5g), Adenophorae Radix is two qian (6g), Thunbergii Bulbus Fritillariae is one qian (3g), Gardeniae Cortex is one qian (3g), Pyrifolia Pericarpium Piri is one qian (3g), Glycyrrhizae Radix et Rhizoma is five fen (1.5g).
- Decoction and administration method: Add appropriate amount of water to the above drugs, soak for 30 minutes, then boil with strong fire, and then change to slow fire and decoct for 20 - 30 minutes. Take the decoction while it is warm. Take one dose a day, divided into two times for administration.
2. Modern concentrated granules
- Drug selection: There are various brands of concentrated traditional Chinese medicine granules available in the market. Generally, the concentrated granules of Mulberry and Apricot Decoction that conform to the original formula composition can be selected.
- Dosage: According to the dosage recommended in the instruction manual, generally 1 - 2 bags each time, taken by pouring boiling water over it. One dose per day, taken in two divided doses. Modern concentrated granules are convenient to take and save the decocting time. However, when choosing, attention should be paid to selecting brands with reliable quality and good reputation to ensure the curative effect of the medicine.
Mulberry and Apricot Decoction: A classic prescription for regulating dry cough due to autumn dryness, dry throat, thirst and feverish headache
IX. Precautions and Taboos
1. Dietary taboos
During the period of taking Mulberry and Apricot Decoction, spicy, greasy and stimulating foods such as chili peppers, fried foods, strong tea, coffee, etc. should be avoided. These foods are likely to generate heat and assist the fire, aggravating the dryness and heat in the lung-defense, which is not conducive to the recovery of the condition. At the same time, raw and cold foods should be avoided to prevent damage to the yang qi of the spleen and stomach and affect the absorption and curative effect of the medicine. Some nourishing yin and moistening dryness foods such as lily, tremella, Sydney pear, etc. can be appropriately increased, which helps to relieve the dryness and heat symptoms.
2. Constitution Taboos
Those with deficiency-cold constitution should use Mulberry and Apricot Decoction with caution. The property of Mulberry and Apricot Decoction is relatively cold, mainly clearing and dispersing warm dryness. For patients with deficiency-cold constitution, especially those with deficiency-cold of the spleen and stomach and yang deficiency with fear of cold, taking it may aggravate the deficiency-cold symptoms, resulting in discomfort such as abdominal pain and diarrhea. If such patients have external contraction diseases, they should choose a more suitable prescription for treatment under the guidance of a doctor.
3. Special Populations
Special groups such as pregnant women, lactating women and children should consult a doctor before using Mulberry and Apricot Decoction. Pregnant women and lactating women need to use medicine with caution to avoid adverse effects on the fetus or baby; the physiological characteristics of children are different from those of adults. If Mulberry and Apricot Decoction needs to be used, the dosage should be adjusted according to factors such as age and weight to ensure the safety and effectiveness of medication.
Mulberry and Apricot Decoction: A classic prescription for regulating dry cough due to autumn dryness, dry throat, thirst and feverish headache
X. Modern Research Progress
1. Pharmacological Research
- Anti-inflammatory effect
Modern research shows that various medicinal components in Mulberry and Apricot Decoction have anti-inflammatory effects. Mori Folium, Gardeniae Cortex, etc. contain components such as flavonoids and alkaloids, which can inhibit the release of inflammatory mediators and reduce the inflammatory reaction in the lungs. Research has found that Mulberry and Apricot Decoction can reduce the levels of inflammatory factors, improve the pathological damage of lung tissue, and has a certain therapeutic effect on the lung inflammation at the initial stage of warm diseases.
- Antitussive and antiasthmatic effects
In the formula, almonds, fritillaria thunbergii and other herbs have obvious antitussive and antiasthmatic effects. Components such as amygdalin in almonds can inhibit the cough center and reduce the frequency of coughing; fritillaria thunbergii contains alkaloids and other components, which can relax bronchial smooth muscle and relieve asthma symptoms. Sangxing Decoction can regulate the respiratory function as a whole, relieve symptoms such as cough and asthma, and its mechanism of action is closely related to the chemical components of the medicine.
- Immunomodulatory effects
Drug components such as licorice have immunomodulatory effects. Components such as glycyrrhizic acid in licorice can regulate the immune function of the body, enhance the resistance of the body, and at the same time reduce the damage of the immune response to lung tissue. Sangxing Decoction helps to maintain the internal environmental stability of the body and promote the recovery of early-stage warm diseases by regulating the immune function.
2. Clinical Efficacy Observation
In recent years, many clinical studies have observed the curative effect of Sangxing Decoction. The research results show that Sangxing Decoction has a good therapeutic effect on externally contracted warm dryness syndrome. When treating respiratory diseases such as upper respiratory tract infection and bronchitis, it can effectively relieve symptoms such as cough, dry throat, and fever, shorten the course of disease, and improve the cure rate. Compared with Western medicine treatment, Sangxing Decoction has certain advantages in improving symptoms and reducing the recurrence rate, and has high safety and few adverse reactions. These clinical studies provide a strong basis for the further application and promotion of Sangxing Decoction.
3. Dosage Form Improvement
With the development of modern pharmaceutical technology, research on the dosage form improvement of Sangxing Decoction is also constantly carried out. In addition to the traditional decoction, various dosage forms such as capsules, granules, and oral liquids have been developed. These new dosage forms have the advantages of convenient administration, accurate dosage, good stability, etc., and are more in line with the needs of modern clinical applications. For example, Sangxing Decoction granules improve the content of active ingredients of the medicine and enhance the curative effect by optimizing the extraction process and preparation technology. At the same time, they are convenient for patients to carry and take, improving the compliance of patients. The research on dosage form improvement provides more choices for the clinical application of Sangxing Decoction and helps it to play a better therapeutic role.
总结
Sangxing Decoction is a representative formula for treating autumn-induced warm dryness syndrome and externally contracted warm dryness syndrome, with the functions of clearing and dispersing warm dryness, clearing and dispersing dry heat, being pungent-cool and sweet-moistening, moistening the lungs to arrest cough, and resolving phlegm to arrest cough. Patients often show mild lung heat symptoms such as dry cough without sputum, dry throat and nose, mild body fever, thirst, red tongue, etc. The medicinal herbs of this formula include mulberry leaf (the monarch herb), almond, adenophora stricta, fritillaria thunbergii, pear peel, fermented soybean, gardenia peel, etc. Mulberry leaf is the monarch herb, and almond, adenophora stricta, etc. are the ministerial herbs. It is decocted for oral administration and has a good curative effect on autumn warm dry cough.
What is Sang Xing Tang used for in Traditional Chinese Medicine?
Sang Xing Tang (Mulberry Leaf and Apricot Kernel Decoction) is a premier classical TCM formula primarily prescribed to treat an external Warm-Dryness pattern, a condition frequently seen during early autumn. It clinically targets respiratory discomforts triggered by dry environmental factors, including a hacking dry cough with little to no phlegm, a parched or scratchy sore throat, dry nasal passages, chapped lips, a mild fever, dry skin, and a thin, dry tongue coating.
How does Sang Xing Tang clear warm-dryness without trapping pathogens inside the body?
The formula achieves its therapeutic effect through a sophisticated "clearing, venting, and moistening" strategy. When external warm-dryness pathogens attack, they damage the delicate fluids of the upper respiratory tract. Rather than using heavy, cloying tonics that could inadvertently trap the external pathogen inside, Sang Xing Tang pairs light, aromatic venting herbs to scatter the exterior dry-heat with elegant fluid-generating botanicals. This gently rehydrates the respiratory linings while expelling the environmental pathogen naturally.
What are the precise herbal ingredients in Sang Xing Tang?
This precisely structured formulation relies on a balanced botanical matrix of 7 classical ingredients: Sang Ye (Mulberry Leaf) acts as the chief herb to gently clear and vent warm-dryness from the exterior, paired dynamically with Xing Ren (Bitter Apricot Seed) to direct rebellious Lung Qi downward and stop coughing. To directly generate fluids and soothe mucosal irritation, it incorporates Zhe Bei Mu (Thunberg Fritillary Bulb) to thin sticky mucus, Sha Shen (Glehnia Root) and Mai Men Dong (Ophiopogon Tuber) to deeply moisten the lungs, and Zhi Pi (Gardenia Peel) to clear localized heat toxins. The formulation is finalized by Xiang Chi (Prepared Soybean) to assist in venting the exterior surface.
⚠️ This content is for reference only and does not provide medical advice. Consult a healthcare professional for any health concerns.
