Ban Lan Gen, known as Isatis root, is a popular herb in Traditional Chinese Medicine (TCM) used to clear heat, remove toxins, cool the blood, and benefit the throat. It is widely used to treat respiratory infections, sore throats, fever, and viral illnesses. With strong antiviral and antibacterial properties, Ban Lan Gen is often taken at the onset of colds or flu to reduce symptoms and speed up recovery.
Functions & Benefits
Clears Heat and Resolves Fire Toxins
Effective in treating sore throats, tonsillitis, and high fevers caused by wind-heat or toxin accumulation.
Cools the Blood and Reduces Rashes
Used for skin eruptions, measles, and rashes due to heat in the blood.
Detoxifies and Treats Epidemic Diseases
Known for its antiviral properties, it is commonly used during outbreaks of influenza or viral infections.
Supports the Respiratory System
Alleviates symptoms of upper respiratory infections, including throat swelling, cough, and fever.
Indications
Individuals with sore throat, fever, and upper respiratory infections
People experiencing skin rashes and heat-related skin eruptions
Patients seeking to prevent or alleviate flu-like symptoms
Those with swollen glands or tonsillitis due to heat toxins
Tongue & Pulse Diagnosis in TCM
Tongue: Red with yellow coating (indicating heat and toxins)
Pulse: Rapid (suggesting heat in the body)
Common TCM Patterns Treated by Ban Lan Gen
Wind-Heat Invasion – Fever, sore throat, and headache
Heat Toxin Accumulation – Swollen throat, tonsillitis, and boils
Heat in the Blood – Skin rashes, fever, and inflammation
Precautions & Contraindications
Not suitable for individuals with cold or yang deficiency symptoms.
Avoid prolonged use without professional guidance.
Use with caution during pregnancy.
Conclusion
Ban Lan Gen is a widely used TCM herb known for its heat-clearing and detoxifying properties. Its ability to treat sore throats, fevers, and viral infections makes it a valuable remedy for managing common colds and flu-like symptoms while supporting the immune system.
