Dà Qīng Lóng Tāng

大清龙汤

Major Blue-green Dragon Decoction

Disclaimer    For educational purposes only.  Do not use as medical advice

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Category: Release Exterior ⌕ 
Subcategory: Wind Cold  Source: Shang Han Lun  
Actions: Promote sweating to release the exterior, eliminate stagnated heat
Diagnosis
Tongue:       Pulse: floating , tight    Other: 
Patterns: Wind Cold (excess) + Internal Heat 
Indications: External Wind Cold:aversion to cold, fever, pain, NO SWEATING; Internal Heat: restlessness P: Floating tight
Contraindications: Weak body constitution
Description
Name Variations: Da Qing Long Tang , 大清龙汤, Major Blue-green Dragon Decoction,
Herb List: Ma Huang(K) • Gui Zhi(M) • Xing Ren(A) • Sheng Jiang(A) • Da Zao(A) • Gan Cao(A) • Shi Gao(E)
Commentary: MODIFICATION: • Severe internal heat: Increase Shi Gao, Tian Hua Fen • Sore throat: Jin Yin Hua, Lian Qiao, Niu Bang Zi • Swelling: Fu Ling, Ze Xie
Related Formulas:
Herbs Cat/Dosage Actions Attributes
Shan Zha
Hawthorn Fruit • ⼭楂
Food Stagnation Clear food stagnation • Promote digestion • Invigorate blood • Stop diarrhea Antibiotic • Cardiotonic • Hypotensive • Anticholesterol • Vasodilative • Gastrointestinal
Shen Qu
Medicated Leaven • 神曲
Food Stagnation Clear food stagnation • Relief diarrhea • Move Qi facilitates digestion of carbohydrates
Lai Fu Zi
Daikon Radish Seeds • 莱菔⼦
Food Stagnation Clear food stagnation, Reduce fullness/distension, Transform phlegm, descend Lung Qi, lower blood pressure [21] hypotensive [21]
Ban Xia
Pinellia Root • 半夏 ♥
Phlegm Cold Transforms damp-phlegm • Direct stomach Qi downward• Stop cough/ wheezing • Relieve nausea & vomiting • Dissolve nodules and swellings reprotoxic, warming, drying, antitussive, antiemetic
Chen Pi 
Dried Tangerine Rind陈皮 ♥
Regulate Qi Stop cough • Stop vomiting • Regulate Qi • Harmonize middle burner • Transform phlegm • Dry damp • Prevent cloying of tonifying herbs regulate gastrointestinal smooth muscles, clear phlegm, hypertensive, aid digestion, hepatoprotective, anti-inflammatory, antioxidant, antiviral, expectorant
Fu LingPoria Mushroom • 茯苓 ♥ Drain Dampness Dry dampness • Tonify spleen • Calm spirit • Relief edema • Detox food poisoning • Promote urination Dao Di: Yun Nan
Lian Qiao
Forsythia 连翘  
Clear Heat Resolve Toxins Clear heat - particularly in upper burner • Disperse clumps • Resolve toxins • Reduce abscesses • Promote urination • Clear ying level heat • Reduce fever Antibiotic • Anti-inflammatory • Antipyretic • Antiemetic • Diuretic • Hepatoprotective
King/Chief    ♥ Minister/Deputy      Assistant     ♦ Envoy
Directions: 
Modifications For
+ Zhi Shi + Bin Lang Severe food stagnation 31
+ Huang Qin + Huang Lian Yellow tongue coating, rapid pulse 31
+ Da Huang Constipation 31
+ Bai Zhu Spleen deficiency 31

Caution

ALERT: Contraindications of each herb - use with caution under these conditions:
Shan Zha: Large doses are contraindicated during pregnancy, as this can lead to fetal death.[21]
Shen Qu:
Lai Fu Zi: Pregnancy; Lai Fu Zi antagonizes Ren Shen (reduce it's tonifying effect). Same for He Shou Wu and Shu Di Huang. Strong dispersing action means prolonged or excessive use can consume Qi.[21].
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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