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Knowledge baseFormulas

Da Qing Long Tang大青龍湯

Major Blue Green Dragon Decoction

Also known asMajor Blue Green Dragon Combination

Medicinals
7

Composition

  • Ma HuangHb. Ephedrae6–18 g

    Releases the exterior, arrests wheezing, moves water by facilitating the flow of Lung Qi, calms wheezing, stops coughing and warms Cold.

    for cough and wheezing due to excess.
    for Lung Heat.
    for Wind-Cold Excess conditions with fever and chills but no sweat.
  • Xing RenSm. Armeniacae5–12 g

    Stops cough calms wheezing, moistens the Intestines and unblocks the bowels.

    for cough with profuse sputum, nasal obstruction and a hoarse voice.
  • Gui ZhiRam. Cinnamomi1–12 g

    Releases the exterior, assists the Yang, adjusts the Ying and Wei, releases the muscle layer, warms the channels and collaterals to relieve pain and warms and facilitates the flow of Qi through the channels and collaterals and Blood through the vessels.

    • Ma Huang
    releases the exterior, and warms cold.
  • Shi GaoGypsum Fibrosum10–30 g

    Clears Heat, drains Fire, clears Excess Heat from the the Lungs.

    • Ma Huang
    for cough from Heat Obstructing the Lungs with wheezing, flaring of the nostrils and fever and Wind-edema.
    decreases muscular swelling.
    for Wind-Cold with Interior Heat.
  • Zhi Gan CaoRx. Glycyrrhizae Preparata2–6 g

    Augments Qi, moistens the Lungs, resolves Phlegm, stops cough, harmonizes the interaction of acrid and sour herbs and moderates and harmonizes the harsh properties of other herbs.

    for cough due to Lung Heat.
  • Sheng JiangRz. Zingiberis Recens3–6 g

    Releases the Exterior, disperses Cold, warms the Lungs, stops cough, adjusts Ying and Wei and reduces the toxicity of other herbs.

    for External Wind-Cold.
    strongly induces sweating for treatment of External Wind-Cold with chills, fever, body aches and anhidrosis.
    • Ma Huang
    strongly induces sweating for treatment of External Wind-Cold with chills, fever, body aches and anhidrosis.
  • Da ZaoFr. Jujube3–12 g

    Moderates and harmonizes the harsh properties of other herbs.

Actions

  • Induces sweating
  • Brings about release of the Exterior
  • Clearing of Heat in the Interior
  • Eases irritability

Patterns treated

  • Invasion by exogenous Wind-Cold accompanied by Interior Heat
  • Involvement of Tai Yang - Yang Ming
  • Floating edema of marked severity
  • Presence of Yi Yin

Manifestations

  • Intense fever with chills and no sweating
  • Aversion to Cold
  • An irritable state
  • Fidgety movements
  • Pain in the head
  • Presence of a cough
  • Wheezy breathing (asthma)
  • Soreness of the muscles
  • Aching throughout the whole body
  • Feeling thirsty
  • The whole body feels heavy and sore
  • Breathlessness
  • Floating edema (of marked degree)
  • Inability to keep still
  • Absence of sweating
  • Constant fidgeting
  • A high fever is possible
  • Tissue swelling with fluid
  • Labored breathing
Tongue body
Of normal appearance
Coating
A thin white coat, or a yellow one
Pulse
Floating together with tight, or rapid on its own, or tight together with rapid, or wiry together with tight

Indications

  • Head cold
  • The flu
  • Fluid-retention swelling
  • Pleurisy accompanied by coughing
  • Being under stress
  • Fluid accumulation in the abdomen
  • Pneumonia of acute onset
  • Measles infection
  • Keratitis with pus formation
  • Inflammation of the sinuses
  • Pneumonia of viral origin
  • Pneumonia involving an entire lobe
  • Erysipelas skin infection
  • Dermatitis triggered by contact
  • Cysts of the sebaceous glands
  • Psoriatic skin disease
  • Leukemia in its acute phase
  • Raised blood pressure
  • Cerebrovascular accidents
  • Hives
  • Joint inflammation
  • Generalized body-wide edema
  • Obstruction of the painful type
  • Coughing complaints
  • Whooping cough
  • Sudden-onset pharyngitis
  • Chronic obstructive pulmonary disease
  • Difficulty passing stool
  • Raised body temperature
  • Inflammation of the conjunctiva
  • Ulceration of the cornea
  • Stye
  • Nephritis of acute onset
  • Sudden-onset arthritis
  • An outbreak of erysipelas
  • Bronchitis of acute onset
  • Infection of the upper airways
  • Infectious conjunctivitis of acute onset
  • Asthma of the bronchial type
  • Gangrene of the lung
  • Blood poisoning
  • Scarlatina
  • Dermatitis with peeling of the skin
  • Dermatitis caused by medication
  • Fevers brought on by medication
  • Injury to the brain
  • Disease of the cerebral blood vessels
  • Inflammation of the meninges
  • Rhinitis of allergic origin
  • Emphysema with a lung infection as a complication
  • Pain in the head
  • Sudden-onset laryngitis
  • Tonsillitis coming on acutely
  • Reduced output of urine
  • Difficult breathing

Modifications

Cautions

  • Give the formula gradually and discontinue once sweating starts.
  • Contraindicated in patients with Shao Yin syndrome.
  • Contraindicated in patients with Yang Deficiency.
  • Contraindicated in patients with Windstroke patterns accompanied by External Deficiency.
  • Contraindicated in patients whose sweating comes with an increase in irritability, restlessness and Heat.
  • Contraindicated in patients with Yin or Blood deficiency.
  • Contraindicated in patients with Wind-Cold Attacking the Exterior together with severe fluid accumulation in the Interior.
  • Contraindicated in patients with Exterior Deficiency (Wei Qi Deficiency).

Interactions

Taken alongside interferon, this formula lessened that drug's adverse effects in hepatitis C patients.

Notes

Among the formulas that induce sweating, this ranks as one of the most powerful.