Bài Dú Sǎn

败毒散

Overcome Pathogenic Influences Powder

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Category: Release Exterior ⌕ 
Subcategory: Interior Deficiency  Source: Tai Ping Hui Min He Ji Ju Fang 
Actions: Releases the exterior, dispels wind and dampness and augments the qi [31]
Diagnosis
Tongue:       Pulse: weak, floating    Other: 
Patterns: Wind Cold Damp, Qi Deficiency 
Indications: QI DEFICIENCY with external wind-cold damp attack – External wind-cold-damp: aversion to cold, fever, headache, neck pain, soreness in body, no sweating, stuffy nose, cough with phlegm, fullness in chest – Qi deficiency: pale tongue with white coating, floating pulse without strength (children, old patient, after disease, after labor); aversion to cold, fever, soreness pain in body, NO sweating, floating weak pulse [31]
Contraindications:  Not for exterior wind-heat or yin deficiency with external attacking 19
Description
Name Variations: Bai Du San , 败毒散, Overcome Pathogenic Influences Powder,
Herb List: Qiang Huo(K) • Du Huo(M) • Chuan Xiong(M) • Chai Hu(M) • Jie Geng(A) • Zhi Ke(A) • Qian Hu(A) • Fu Ling(A) • Ren Shen(A) • Gan Cao(E) • Sheng Jiang(E) • Bo He(E)
Commentary: MODIFICATIONS: • not obvious qi deficiency, but severer exterior syndrome: (-) Ren Shen, (+) Jing Jie, Fang Feng • Severer qi deficiency : increase Ren Shen, Huang Qi ； • Severe damp, soreness pain worsen: Wei Ling Xian, Sang Zhi, Qin Jiao, Fang Ji ； • Severe cough: Xing Ren, Bai Qian ； • Beginning of dysentery: Bai Shao, Mu Xiang
Related Formulas: Jing Fang Bai Du San ( Bai Du San - Ren Shen - Sheng Jiang - Bo He + Fang Feng + Jing Jie: Action: release exterior, disperse wind dampness -Stronger expelling wind-cold than Bai Du San, no vital qi enhancement [31]
Herbs Cat/Dosage Actions Attributes
Qiang Huo • 
Notopterygium Root •  羌活		 Release Exterior Wind Cold relieve occipital headaches • ease bi zheng in upper body • dispel cold • release exterior • dry superficial dampness • guide herbs to Tai Yang jingBest for occipital headaches antipyretic, analgesic, vasodilator
Du Huo • 
Pubescent Angelica Root • 独活 		Wind Damp Cold Dispel wind damp cold • Alleviate pain • Release exteriorHerb pair: Du Huo/Qiang Huo for headaches. Du Huo for lower body Shao Yin headache and Qiang Huo for upper body Tai Yang headache hypotensive • antibiotic • anti-platelet • anti-inflammatory • analgesic
Chuan Xiong • 
Szechuan Lovage • 川芎 		Invigorate Blood Relieve pain • Expel Wind • Invigorate blood • Moves qi • Guide herbs to Jue Yin JingDao Di: Si Chuan • Available as injections Anticoagulant • Antiplatelet • Analgesic • Antitussive • Anti-inflammatory • Hypotensive • Sedative
Chai Hu • 
Thorowax • 柴胡 		 Release Exterior Wind Heat Harmonize interior and exterior • Reduce fevers • Reduce chills • Soothe liver Qi • Clear muscle layer heat • Tonify stomach Qi • Guide herbs to Shao Yang Jing Antibiotic • Antipyretic • Anti-inflammatory • Antibaterial • Antiviral • Analgesic • Hepatoprotective • Immunemodulatory • Chemoprotective • Anti-tumor • Cholagogic • Sedative • Immunostimulate
Jie Geng  •  
Platycodon Root • 桔梗 		 Phlegm Cold Disperse Lung qi • Expel mucus • Soothe sore throat • Guide other herbs to upper body • Treat abscesses • Move Qi upward • Guide herbs upward Expectorant • Hypoglycemic • Anticholesterol • Antifungal
Zhǐ Ké • Ripe Bitter Orange • 枳壳  Regulate Qi Dissolves Qi stagnation • Clear congestion • Relieve abdominal distention For moving Qi: Epigastric area - Chen Pi • Intestinal area - Mu Xiang • From epigastric all the way to the abdominal area - Zhi Shi and Zhi Ke • Lateral side area -Chai Hu, Xiang Fu, Qing Pi, and Fo Shou • Lower abdomen: Wu Yao warms kidney • Upper chest area: Tan Xiang, Xie Bai • REN4 & REN6 area: Chen Xiang antiplatelet • antithrombatic • hypertensive • diuretic • bronchodilator • antineoplastic
Qian Hu •
Peucedanum • 前胡  		 Phlegm Heat Expel phlegm • Descend Lung Qi • Release exterior wind heat
Fu Ling •
Poria Mushroom • 茯苓  		 Drain Dampness Dry dampness • Tonify spleen • Calm spirit • Relief edema • Detox food poisoning • Promote urination Dao Di: Yun Nan Diuretic • Antibacterial • Anti-inflammatory • Anti-allergic • Hypoglycemic • Antacid • Sedative • Immunity booster
Ren Shen •
Ginseng • 人参  		 Tonify Qi Tonify yuan qi • Tonify lung qi • Tonify heart qi • Calms Shen • Stop thirst • Helps impotence • Treats qi collapse • Tonify Spleen • Generate fluid • Stop thirst • Strengthen anti-pathogenic qi • Can go to all 5 zang organsUnlike Huang Qi, Ren Shen is adaptogenic and may be used by people with autoimmune disorders. adaptogen • anti-aging • anticoagulant • antiplatelet • antioxidant • adrenalcortical • immunity booster • anti-inflammatory • antidepressant • hepatoprotective • stimulant
Gan Cao •
Licorice Root • 甘草  		 Tonify Qi Tonify Spleen Qi • Tonify Heart qi • Clear heat • Resolve toxicity • Stop cough • Dispel phlegm • Lubricate lungs • Stop wheezing • Reduce spasm • Relieve pain • Harmonize other herb effects • enters 12 channelsEnters all 12 channels, often serve as envoy in a formula. Hypoglycemic • Antiarrhythmic • Hypertensive • Expectorant • Antidiarrheal • Antiulcer • Hepatoprotective • Immunostimulant • Antitussive • Antiviral • Detox • Demulcent • Anti-inflammatory • Laxative • Emmenagogue • Antimicrobial • Spasmolytic • Corticosteroidal
Sheng Jiang •
Ginger (Raw) • 生姜  		 Release Exterior Wind Cold Release exterior • Stops vomiting • Relieve Nausea • Stops cough • Reduce herb toxicity • Regulate central flow of Qi Expectorant • Cough Suppressant • Digestive • Hypotensive • Antiplatelet • Stimulant • Analgesic • Anti-inflammatory • Antipyretic • Cholagogic • Antiemetic • Antimutagenic
Bo He •
Field Mint • 薄荷  		 Release Exterior Wind Heat Clear eyes, dispel wind heat, ease sore throat, expel turbid filth, resolve toxicity, reduce rashes, clear liver Qi stagnation, drain stomach damp heat, release exterior, calm liver yang, nourish lung yin [18] • Dry up breast milkIntroduced to TCM from Greek medicine Anti-inflammatory • Antipyretic • Diaphoretic • Carminative • Antiandrogenic • Antiemetic • Antidiarrheal • Analgesic • Anticholesterol • Antidiabetic • Antimicrobial • Gastrointestinal • Emmenagogue • Increase local blood circulation • Decongestant
♠ King/Chief    ♥ Minister/Deputy     ♣ Assistant     ♦ Envoy
Directions: 
Modifications For
- Ren Shen + Jing Jie + Fang Feng Lack of Qi deficiency but more severe exterior syndrome 31
+ Ren Shen + Huang Qi Severe Qi deficiency 31
+ Wei Ling Xian + Sang Zhi + Qin Jiao + Han Fang Ji Severe dampness and worsen soreness 31
+ Xing Ren + Bai Qian Severe cough 31
+ Bai Shao + Mu Xiang Beginning of dysentery 31

Caution

ALERT: Contraindications of each herb - use with caution under these conditions:
Shan Zha:
Shen Qu:
Lai Fu Zi: Pregnancy
Ban Xia: Yin deficiency cough • Bleeding • Dehydration • Heat • Pregnancy • Incompatible with Wu Tou and Fu Zi • Antidepressant drugs • Blood pressure medication • Terfenadine (antihistamine) • Foods: lamb, goat
Chen Pi: Excess internal heat • Dry cough from heat, yin deficiency or qi deficiency • Cough with blood • Red tongue • Fluid deficiency
Fu LingBa Dou: Foods: Vinegar, pickled food
Lian Qiao: Diarrhea
Notes

 

Bibliography: [3], [8], [9], [14]

Information in this post came from many sources, including class notes, practitioners, websites, webinars, books, magazines, and editor's personal experience.  While the original source often came from historical Chinese texts,  variations may result from the numerous English translations.   Always consult a doctor prior to using these drugs.  The information here is strictly for educational purposes. 

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