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Exterior Heat

银翘丸 / Yin Qiao Wan

Exterior Heat is from Wu Jutong’s “Analysis of Seasonal Febrile Diseases” in the Qing Dynasty and has a history of nearly two hundred years. The formulation uses the two methods of sweating and clearing Heat. It is called the “method of relieving the Exterior Syndrome with herbs pungent in flavour and cool in nature”. It is an important formulation for the treatment of Wind-Heat Pattern of common cold and influenza characterized by fever, headache, sore throat, dry mouth and cough. Modern pharmacological studies have found that Exterior Heat has antipyretic (reduces fever), analgesic (reduces pain), antibacterial, antiviral, anti-inflammatory (reduces swelling and redness) and anti-allergic effects. Therefore, it can also be used to prevent and treat the initial stages of acute febrile diseases, such as acute tonsillitis, respiratory tract infections, pneumonia, measles, mumps, infectious mononucleosis. It can also be used for skin diseases such as rubella and shingles.

Try to avoid oily, greasy, raw, cold sour foods while taking this formulation.



 male, 47-year-old.

Consultation date: 2020/4/25

Main complaint: fever for 1 week and Covid-19 confirmed case

Fatigue, fever worse in morning and night, diarrhoea and mild cough, red tongue with greasy and thick yellow coating.


Exterior Heat                       3 tablets 6 times per day

External Damp Enteritis    1 bottle 4 times per day

Isatis Root                            1 sachet 3 times per day

After 2 days of treatment, the symptoms were gradually alleviated, fever was reduced, diarrhoea and fatigue were lessened.

8 days later all of the above symptoms disappeared.

After that, the patient took Qi-Yin Enrichment and Tonic Defensive Qi for recovery.

Used to combat these diseases:

Chronic Fatigue Syndrome

In chronic fatigue syndrome, also known as myalgic encephalomyelitis, the most common symptom is increasing severe exhaustion even during activities which are not very strenuous. The causes...

Colds and Influenza

The real flu (influenza) is a severe acute illness of the respiratory tract, caused by influenza viruses, which are constantly changing. Less dangerous are colds or “flu-like...

Covid-19 related symptoms: Prevention, Infection, Recovery

The lung disease, which appeared for the first time in China at the end of 2019, is commonly known as Corona Virus Disease 2019 (COVID-19). The virus that caused the...


Hay fever is when the body’s immune system reacts excessively to substances that are harmless in themselves, like plant pollen such as from certain grass and tree pollen. Typical symptoms...


Shingles are caused by the same virus that causes chickenpox, varicella-zoster-virus, which lies dormant long after you’ve had chickenpox. The place where there is shingles rash, redness, blisters and pain...

Sore Throat

Viruses cause about 90% of sore throats, with bacteria and other causes such as overuse of the voice accounting for the balance. The result is the swelling of the throat,...