About This Herb*
Traditional Chinese Medicine background and properties
Herb Description*
Lou Lu is a cold, bitter herb primarily used to clear heat-related infections and abscesses, especially in the breast area. It is one of the key herbs for breast infections (mastitis) and blocked milk flow in nursing mothers, and also helps relieve painful joints caused by dampness and heat in the channels.
Herb Category*
Main Actions*
- Clears Heat and Resolves Toxicity
- Reduces abscesses and disperses nodules
- Promotes Lactation
- Relaxes the Sinews and Unblocks the Collaterals
How These Actions Work*
'Clears Heat and resolves toxicity' means Lou Lu can help the body deal with hot, inflamed, infected conditions. Its cold and bitter nature directly counteracts heat-toxins that cause skin infections, boils, carbuncles, and abscesses. It is especially relevant when these conditions manifest with redness, swelling, and pain.
'Reduces abscesses and disperses nodules' means it can help break down areas of swelling and promote the discharge of pus from infected tissues. This action is particularly notable in the breast area, making Lou Lu a go-to herb for mastitis (breast abscess) and also for scrofula (lymph node swelling).
'Promotes lactation' means Lou Lu helps nursing mothers whose milk flow is blocked due to heat and stagnation in the breast channels. It unblocks the milk ducts by clearing the heat and opening the channels. This action only applies when the blocked milk is due to excess heat and stagnation, not when it is caused by overall weakness or deficiency of Qi and Blood.
'Relaxes sinews and unblocks the channels' means Lou Lu can ease stiffness, tightness, and pain in the muscles and joints, particularly when caused by dampness obstructing the channels. Despite being a cold herb, it has a notable unblocking and facilitating quality that helps restore smooth movement in the body's pathways.
Patterns Addressed*
In TCM, symptoms cluster into recognizable patterns of disharmony that reveal what's out of balance in the body. Lou Lu 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 Lou Lu addresses this pattern
Lou Lu's bitter and salty taste combined with its cold temperature make it highly effective at clearing toxic heat. The bitter taste descends and drains, while the salty taste softens hardness. Together, these properties allow Lou Lu to directly address the accumulation of heat-toxins that cause skin and soft tissue infections. It enters the Stomach channel (part of the Yáng Míng system, which governs the face, chest, and breast area), giving it a natural affinity for toxic heat manifesting in these regions.
A practitioner would look for one or more of these signs
Red, swollen, hot, painful boils or carbuncles
Hot, itchy skin rashes
Scrofula or swollen lymph nodes from heat-toxin accumulation
Why Lou Lu addresses this pattern
This is Lou Lu's signature pattern. When heat-toxins accumulate in the breast area, they block the flow of milk and Qi through the breast channels, causing swelling, redness, and pain. Lou Lu's cold nature clears the heat, its bitter-salty taste breaks through the stagnation and softens the hardened tissue, and its specific ability to promote lactation reopens the blocked ducts. This dual action of clearing heat-toxin while simultaneously unblocking the breast channels is what makes it particularly effective for breast abscess (mastitis).
A practitioner would look for one or more of these signs
Red, swollen, painful breast with possible pus formation
Breast distension and pain during lactation
Blocked milk flow with signs of heat (not due to deficiency)
Why Lou Lu addresses this pattern
Although Lou Lu is primarily classified as a heat-clearing herb, its ability to unblock and facilitate movement through the channels makes it useful for damp-heat painful obstruction (Bì syndrome). Its cold nature clears heat from the channels, while its unblocking property helps relieve the dampness that causes stiffness and restricted movement. This is recorded as early as the Shén Nóng Běn Cǎo Jīng, which lists 'damp Bì' among its indications.
A practitioner would look for one or more of these signs
Joint pain with swelling and restricted range of motion
Sinew and muscle tightness with difficulty moving
TCM Properties*
Cold
Bitter (苦 kǔ), Salty (咸 xián)
Root (根 gēn)
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.