Korean Herbal Formulation [Part 12] The Classic Remedies for Wind–Cold Colds: Gui Zhi Tang and Ma Huang Tang

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CALee Acupuncture

CALee Acupuncture - Korean Herbal Formulation [Part 12] The Classic Remedies for Wind–Cold Colds: Gui Zhi Tang and Ma Huang Tang


Korean Herbal Formulation [Part 12]

The Classic Remedies for Wind–Cold Colds: Gui Zhi Tang and Ma Huang Tang

Part 2. External Invaders: Defending Against the Six Climatic Factors

Lesson 10

In the previous lecture, we examined formulas for wind–damp disorders, focusing on Qiang Huo Sheng Shi Tang and Wu Yao Shun Qi San, which address pain and obstruction caused by wind combining with dampness.

In this installment, we turn to one of the most common external disorders: wind–cold (風寒) conditions. Wind–cold arises when wind combines with cold and invades the exterior (表) of the body, typically through the Taiyang channel. This invasion produces fever and aversion to cold, but the clinical presentation differs depending on whether sweating is present or absent.

Accordingly, wind–cold exterior patterns are divided into two fundamentally different types:

  • Exterior Cold Deficiency Pattern (表寒虛證) – sweating is present

  • Exterior Cold Excess Pattern (表寒實證) – sweating is absent

The treatment principles—and formulas—are entirely different.
In this lecture, we examine the two cornerstone prescriptions for wind–cold exterior disorders: Gui Zhi Tang and Ma Huang Tang.

1. Wind–Cold (風寒): The Classic Exterior Pattern

An exterior pattern (表證) refers to a condition in which pathogenic factors invade the superficial layers of the body—skin, muscles, and channels. Wind–cold pathogens typically enter via the Taiyang channel.

Key clinical distinctions include:

  • Wind invasion (傷風)
    Aversion to wind, a moist or glossy facial appearance, and spontaneous sweating.

  • Cold damage (傷寒)
    Strong aversion to cold, a dull or pale facial complexion, and absence of sweating.

  • Shared exterior signs
    Floating pulse, fever with chills, headache, and body aches.

The presence or absence of sweating is the critical factor that distinguishes exterior deficiency from exterior excess, and it completely determines the choice of formula.

2. Gui Zhi Tang (桂枝湯): The Classic Formula for Sweating Exterior Deficiency

Gui Zhi Tang is used for Taiyang wind invasion when the exterior is deficient and sweating is already present. It is categorized as a harmonizing formula (和解劑) rather than a strong sweating agent.

Indications

  • Spontaneous sweating (zi han)

  • Aversion to wind and mild cold

  • Fever, headache, and a floating but moderate pulse

Eight-Principle Diagnosis

  • Exterior pattern

  • Cold pattern

  • Deficiency pattern

Treatment Principle

Gui Zhi Tang resolves wind–cold while supporting the body’s upright energy and harmonizing yin and yang.

  • Gui Zhi (Cinnamon Twig)
    Assists yang energy and gently releases the exterior.

  • Bai Shao (White Peony Root)
    Preserves yin fluids, prevents excessive sweating, and relieves abdominal tension.

  • Sheng Jiang & Da Zao (Fresh Ginger & Jujube)
    Harmonize the protective and nutritive energies and support deficiency conditions.

Rather than forcefully expelling pathogens, this formula restores balance at the exterior so the body can resolve the condition on its own.

3. Ma Huang Tang (麻黃湯): The Classic Formula for Non-Sweating Exterior Excess

Ma Huang Tang is used for Taiyang cold damage when the exterior is excess and the pores are tightly closed, preventing sweating altogether. It is a strong diaphoretic formula (發汗劑).

Indications

  • Severe chills and fever

  • No sweating

  • Headache, body aches, and joint pain

  • Floating and tight pulse

Eight-Principle Diagnosis

  • Exterior pattern

  • Cold pattern

  • Excess pattern

Treatment Principle

This formula forcefully induces sweating to expel wind–cold trapped in the exterior.

  • Ma Huang (Ephedra)
    Strongly promotes sweating and disperses cold from the surface.

  • Gui Zhi (Cinnamon Twig)
    Assists Ma Huang in releasing the exterior.

  • Classical texts such as Introduction to Medicine (醫學入門) emphasize:
    “When there is no sweating, the exterior is excess and must be released through sweating.”

Clinical Caution

Because Ma Huang Tang induces strong sweating, it must be used with caution. It is contraindicated in patients who are already sweating, physically weak, or deficient. If Ma Huang’s action is too intense, milder alternatives such as Jiu Wei Qiang Huo Tang may be considered.

4. Preview of the Next Lecture

In this lecture, we explored how wind combines with cold and how treatment changes depending on exterior deficiency or excess.

Next, we will shift focus to wind–heat patterns—where wind combines with heat to cause inflammation and upper-body symptoms such as headaches, sore throat, and facial redness. We will examine classic formulas including:

  • Chuan Xiong Cha Tiao San

  • Jing Jie Lian Qiao Tang

  • Fang Feng Tong Sheng San


Location: Fullerton, CA, USA

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