Ma Xing Shi Gan Tang

What is Ma Xing Shi Gan Tang?

Ma Xing Shi Gan Tang is one of the most important classical Chinese herbal formulas, first recorded in the Han Dynasty text Shang Han Lun by Zhang Zhongjing (circa 200 CE). It combines just four ingredients — ephedra, apricot kernel, gypsum, and licorice — in a precise ratio that works together to open the airways, reduce fever, and calm cough. It remains a foundational formula in Traditional Chinese Medicine and is also used in Japanese Kampo medicine under the name Makyokansekito.

How does Ma Xing Shi Gan Tang work?

The formula works through complementary actions: ephedra opens the airways and promotes breathing by relaxing bronchial smooth muscle; gypsum (a cooling mineral) counterbalances ephedra's warming nature to clear heat and reduce fever; apricot kernel descends lung qi and calms cough; and licorice harmonizes the whole formula while soothing the respiratory tract. Together they address what TCM calls 'lung heat with wheezing' — essentially acute respiratory inflammation with bronchospasm. Modern research suggests the formula reduces airway inflammation, suppresses overactive immune signaling in the lungs, and promotes bronchodilation.

What forms does Ma Xing Shi Gan Tang come in?

Traditionally prepared as a water decoction by boiling the herbs together. Modern forms include concentrated granule extracts (most convenient), capsules, and tablets. Granule extracts dissolved in hot water most closely replicate the traditional preparation and are preferred by practitioners.

Where it comes from:

Recorded in the Shang Han Lun (Treatise on Cold Damage), one of the oldest surviving Chinese medicine clinical manuals, written approximately 200 CE. The formula was designed for externally-contracted illness presenting with fever, sweating, thirst, cough, and wheezing — a pattern remarkably aligned with modern presentations of influenza and acute bronchitis. It has been continuously used in China, Japan, Korea, and Taiwan for over 18 centuries and gained renewed research interest during respiratory disease outbreaks including SARS, H1N1 influenza, and COVID-19.

What does Ma Xing Shi Gan Tang help with?

• Acute cough and wheezing: This is the formula's core strength. The combination of ephedra and apricot kernel works to relax tightened airways and calm the cough reflex, while gypsum addresses the heat and inflammation that make the cough worse. Most people notice meaningful relief within 24–72 hours of starting treatment.
• Asthma (mild to moderate): The formula helps reduce the airway inflammation and bronchospasm that trigger asthma attacks. It has been studied as an adjunct to conventional asthma care and is particularly well-regarded for pediatric asthma in Chinese and Japanese clinical practice.
• Bronchitis: Both acute and early chronic bronchitis benefit from this formula's ability to reduce airway inflammation and loosen mucus. It targets the heat pattern — yellow phlegm, fever, productive cough — that typifies bacterial or viral bronchitis.
• Fever with respiratory symptoms: Gypsum is a classical fever-clearing mineral in Chinese medicine, and clinical studies have found the formula helps reduce fever duration in flu-like illness when combined with standard care. It is most effective for high fevers accompanied by thirst, sweating, and respiratory distress.
• Influenza and flu-like illness: Multiple clinical trials in China and Japan have evaluated this formula for influenza, finding it can shorten symptom duration and reduce fever when used alongside or instead of conventional antivirals. It is considered a go-to formula in TCM practice for flu presenting with heat signs.
• COVID-19 mild respiratory symptoms: During the COVID-19 pandemic, this formula was included in Chinese national treatment guidelines for mild-to-moderate cases, particularly for the 'heat toxin attacking the lungs' pattern involving cough, fever, and shortness of breath. Early clinical data was encouraging, though research is still evolving.
• Childhood respiratory infections: This is one of the most commonly prescribed formulas in pediatric Chinese and Japanese herbal medicine for children with cough, wheeze, and fever. It is often used for acute bronchitis and early-stage pneumonia in children as a complement to medical care.
• Allergic respiratory conditions: Emerging evidence suggests the formula can reduce allergic airway inflammation and may help with allergic rhinitis and mild allergic asthma by calming the immune overreaction that drives symptoms. It works best for conditions with a heat presentation — sneezing with warmth, irritation, or yellow discharge.

What can Ma Xing Shi Gan Tang help prevent?

• Progression of mild upper respiratory infection to lower respiratory tract illness when used early in acute illness

Which foods are rich in Ma Xing Shi Gan Tang?

1. Ginger tea
2. Garlic
3. Pears
4. Honey
5. Mint tea

Practical Tips:

Ma Xing Shi Gan Tang is a prepared herbal formula, not found in food. The foods listed above support the same biological pathways — reducing airway inflammation, soothing cough, and clearing respiratory heat. During acute illness, warm, easily digested, lightly spiced foods are recommended. Avoid cold, greasy, or dairy-heavy foods, which can increase mucus production and counteract the formula's clearing effects.

What are the side effects of Ma Xing Shi Gan Tang?

• Elevated heart rate or palpitations (from ephedra, dose-dependent)
• Increased blood pressure (particularly in people already hypertensive)
• Insomnia or restlessness if taken late in the day
• Sweating
• Nausea or stomach upset, especially on an empty stomach
• Headache (less common)
• Fluid retention or elevated blood pressure with prolonged use (from licorice component)

Good to know:

This formula has a strong safety record when used at traditional doses for short periods (typically 5–14 days). The main caution is its ephedra content, which carries cardiovascular risks at high doses or in sensitive individuals. It is not recommended for long-term unsupervised use.

How much Ma Xing Shi Gan Tang should you take?

• Recommended daily: Traditional decoction: 150–200 mL twice daily (prepared from standard herb weights: Ma Huang 4–9g, Xing Ren 9g, Shi Gan 15–30g, Gan Cao 6g). Granule extract equivalent: follow product label, typically 3–5g granules twice daily dissolved in hot water. Always use under the guidance of a qualified TCM practitioner who can adjust ratios to your individual pattern.
• Best time of day: Morning and midday doses are preferred. Avoid taking late in the evening due to ephedra's stimulant effects potentially disrupting sleep.
• With or without food: Best taken warm, approximately 30–60 minutes after meals to reduce any stomach irritation from the ephedra component.
• Time to effect: Acute symptoms typically improve within 1–3 days; respiratory infections usually treated for 5–7 days.
• How long to take it: Designed for acute, short-term use of 5–14 days. Not intended for long-term or continuous use without practitioner supervision. Once acute symptoms resolve, discontinue or transition to a maintenance formula if appropriate.