About This Herb*
Traditional Chinese Medicine background and properties
Herb Description*
Paris rhizome is a potent Heat-clearing herb used in Chinese medicine primarily for infections, abscesses, sore throat, snakebites, and traumatic injuries. It is one of the key ingredients in the famous Yunnan Baiyao formula. Because it carries slight toxicity, it should only be used under professional guidance and is not suitable for people without genuine Heat conditions, or during pregnancy.
Herb Category*
Main Actions*
- Clears Heat and Resolves Toxicity
- Reduces Swelling and Alleviates Pain
- Settles Fright and Calms Convulsions
How These Actions Work*
'Clears Heat and resolves toxins' means Chóng Lóu can neutralize the type of intense, localized Heat that TCM associates with infections and inflammatory swellings. Its bitter taste and slightly cool nature make it well suited for conditions where Heat-toxins accumulate, producing painful abscesses (boils, carbuncles), severe sore throat, or the angry red swelling from a venomous snakebite. This is its primary and most celebrated action. It can be taken internally as a decoction or applied externally by grinding the raw rhizome into a paste.
'Reduces swelling and relieves pain' refers to its ability to disperse the swelling and ease the pain that accompany traumatic injuries, insect bites, or toxic swellings. Whether the swelling comes from a fall, a blow, or accumulated Heat-toxins, Chóng Lóu helps bring it down. It is a key ingredient in Yunnan Baiyao and other trauma formulas precisely because of this capacity to address both inflammation and pain.
'Cools the Liver and arrests convulsions' describes how Chóng Lóu targets the Liver channel to calm internal Wind generated by extreme Heat. In TCM, when Heat flares in the Liver channel, particularly in young children, it can trigger high fever followed by convulsions, tremors, or spasms. Chóng Lóu's cooling action on the Liver quenches this Heat and stops the resulting Wind, making it useful for childhood febrile seizures.
Patterns Addressed*
In TCM, symptoms cluster into recognizable patterns of disharmony that reveal what's out of balance in the body. Chong Lou is traditionally associated with these specific patterns.
The following describes this herb's classification within Traditional Chinese Medicine theory and is provided for educational purposes only.
Why Chong Lou addresses this pattern
Toxic Heat is a pattern where pathogenic Heat concentrates and produces purulent, inflamed, painful lesions such as boils, carbuncles, and deep abscesses. Chóng Lóu is bitter and slightly cool, entering the Liver channel. Its bitter taste drains and descends Heat, while its cool nature directly counteracts the Heat-toxin accumulation. This makes it one of the most potent herbs for resolving localized Toxic Heat, especially in conditions like deep carbuncles, severe sore throat, and venomous bites where the toxin is intense and the swelling is pronounced.
A practitioner would look for one or more of these signs
Red, hot, painful swellings with pus
Acute sore throat with swelling and difficulty swallowing
Venomous snakebite with local swelling and pain
Boils, carbuncles, or infected skin lesions
Why Chong Lou addresses this pattern
When Heat accumulates in the Liver channel and flares upward, it can generate internal Wind, leading to convulsions, spasms, and tremors, particularly in children with high fevers. Chóng Lóu enters the Liver channel specifically and has a cooling, calming action that subdues this excessive Liver Heat. By clearing the Heat that is driving the internal Wind, Chóng Lóu arrests the convulsions at their root. This is why it has been a go-to herb for childhood febrile seizures throughout Chinese medical history.
A practitioner would look for one or more of these signs
Childhood febrile convulsions with high fever
Spasms or tremors triggered by extreme Heat
Why Chong Lou addresses this pattern
When traumatic injury causes Blood to stagnate locally, pain, swelling, and bruising result. Chóng Lóu's ability to reduce swelling and relieve pain addresses this localized Blood Stasis by helping to disperse the accumulated Blood and resolve the inflammation. Its bitter, slightly cool nature also prevents the Stasis from generating secondary Heat. This is why it features in trauma formulas such as Yunnan Baiyao.
A practitioner would look for one or more of these signs
Bruising and swelling from traumatic injury
Pain and swelling from falls, blows, or sprains
TCM Properties*
Slightly Cool
Bitter (苦 kǔ)
Rhizome (根茎 gēn jīng)
This is partial information on the herb's TCM properties. More detailed information is available on the herb's dedicated page
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.