Long Dan Cao-Scabrous Gentian Root & Rhizome-Radix Gentianae

Long Dan Cao, known as Gentiana scabra, is a powerful heat-clearing and dampness-draining herb in Traditional Chinese Medicine (TCM). It is primarily used to drain excess Liver and Gallbladder Fire, clear damp-heat from the lower body, and detoxify. Long Dan Cao is frequently prescribed for conditions such as jaundice, hepatitis, red eyes, migraines, genital itching, urinary discomfort, and high blood pressure.

Functions & Benefits

Drains Liver Fire and Clears Heat
Effectively treats red, painful eyes, migraines, dizziness, and irritability caused by excess Liver Fire.

Clears Damp-Heat from the Liver and Gallbladder
Used for jaundice, hepatitis, gallbladder inflammation, and bitter taste in the mouth.

Expels Damp-Heat from the Lower Burner
Treats urinary tract infections (UTIs), painful urination, genital itching, and vaginal discharge caused by damp-heat accumulation.

Detoxifies and Reduces Swelling
Helps with boils, abscesses, and inflammatory skin conditions associated with heat toxicity.

Indications
People experiencing red, painful eyes, migraines, or dizziness from Liver Fire
Individuals with jaundice, hepatitis, or gallbladder inflammation
Patients suffering from UTIs, genital itching, or excessive vaginal discharge
Those with heat-toxin-related skin infections, boils, or abscesses

Tongue & Pulse Diagnosis in TCM
Tongue: Red with a yellow greasy coating (indicating damp-heat and excess fire)
Pulse: Rapid, wiry, and slippery (suggesting Liver Fire and damp-heat)

Common TCM Patterns Treated by Long Dan Cao
Liver Fire Rising – Red eyes, headaches, irritability, dizziness
Damp-Heat in the Liver and Gallbladder – Jaundice, bitter taste, digestive discomfort
Damp-Heat in the Lower Jiao – UTIs, genital infections, excessive vaginal discharge

Precautions & Contraindications
Not suitable for individuals with Spleen and Stomach deficiency or cold conditions.
Use with caution in patients with weak digestion, as it is bitter and cooling.
Avoid long-term use, as excessive consumption may lead to digestive discomfort.

Conclusion
Long Dan Cao is a potent heat-clearing and damp-draining herb in TCM, valued for its ability to detoxify, regulate Liver Fire, and treat damp-heat conditions. Its effectiveness in addressing infections, jaundice, migraines, and urinary disorders makes it a crucial herb for restoring balance and eliminating excess heat.