A traditional formula for inflammation, infection and irritation
Purge Heat (Long Dan Xie Gan Tang) supports the body when strong heat and damp-heat cause irritation, inflammation, and burning symptoms. Wang Ang first recorded it in Yi Fang Ji Jie ( Analytical Collection of Medical Formulae ) in 1682. Practitioners have long chosen it when heat affects the head, eyes, ears, skin, or lower urinary and genital areas. It remains a trusted choice when symptoms feel hot, intense, and clearly inflammatory.
When to use it
In Traditional Chinese Medicine, practitioners choose Purge Heat when excess heat rises upward or damp-heat settles in the lower body. The eyes may look red or feel painful. The head may ache. Irritability may increase. Some also notice itching, burning urination, smelly urine, genital irritation, discharge, or skin flare-ups linked to heat.
Many choose this formula for conjunctivitis, ear and eye infections, shingles, eczema, urinary tract infection, prostatitis, vaginitis, mastitis, and other short-term heat-driven conditions. It suits those who want support when inflammation feels strong, symptoms come on quickly, and heat signs are obvious.
Why it stands out
What makes Purge Heat so useful is its direct and powerful action. It does not act as a gentle tonic. It targets excess heat and damp-heat patterns that need stronger short-term clearing. This makes it a strong choice for natural support when redness, burning, swelling, and irritation appear together.
Research
Research on Purge Heat has shown encouraging results in eczema, hepatitis, mastitis, otitis media, shingles, urinary tract infections, uveitis, and cholecystitis. Studies have reported strong recovery rates, lower inflammatory markers, and good short-term results in several acute inflammatory conditions. Research has also highlighted its broad anti-inflammatory and antimicrobial activity, helping explain its relevance when heat-driven symptoms need faster control.
Important to know
Use Purge Heat with caution in pregnancy. It is not for prolonged use. Stop once the desired effect has been achieved.