About This Herb*
Traditional Chinese Medicine background and properties
Herb Description*
Ma Bian Cao (Verbena) is a versatile herb used in Chinese medicine primarily for improving blood circulation, reducing swelling, and fighting infections. It is especially valued for addressing painful or absent menstrual periods, water retention, liver conditions with jaundice, and historically for malaria. Pregnant women should avoid this herb, as it stimulates uterine contractions.
Herb Category*
Main Actions*
- Invigorates Blood and Dispels Stasis
- Clears Heat and Resolves Toxicity
- Promotes Urination and Reduces Edema
- Checks Malaria
- Promotes Menstruation
How These Actions Work*
'Activates Blood and dispels stasis' means Ma Bian Cao helps get stagnant Blood moving again. It enters the Liver channel's Blood level, where it breaks up old, stuck Blood. This is why it is commonly used for painful or absent periods caused by Blood stasis, abdominal masses, and traumatic injuries with bruising and swelling.
'Clears Heat and resolves toxins' refers to the herb's ability to cool down inflammatory and infectious conditions. Because it is cool in nature and bitter in taste, it can drain Heat from the body. In practice, this is applied to sore, swollen throats, gum inflammation, skin abscesses, and acute infections like dysentery and diphtheria.
'Promotes urination and reduces edema' means the herb helps the body expel excess fluid. It is used when fluid accumulates as visible swelling, particularly in the limbs or abdomen. Historically it has been combined with other herbs to treat ascites from advanced liver disease, edema, and painful urinary conditions with heat signs.
'Interrupts malaria' is a distinctive action of this herb. In Chinese medicine, Ma Bian Cao has a well-documented ability to control the alternating chills and fever of malaria and was historically used as a single-herb treatment for this disease, whether the case was new or long-standing.
'Unblocks the menses' means it specifically addresses blocked menstrual flow. When Blood stasis prevents normal menstruation, Ma Bian Cao's bitter, cool nature helps break through the blockage and restore flow. This is closely related to its Blood-activating property but highlights its particular use in gynecological conditions.
Patterns Addressed*
In TCM, symptoms cluster into recognizable patterns of disharmony that reveal what's out of balance in the body. Ma Bian Cao 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 Ma Bian Cao addresses this pattern
Ma Bian Cao enters the Liver channel's Blood level and is bitter and cool in nature. Its bitter taste drives a downward, dispersing movement that breaks up congealed Blood, while its cool temperature is particularly effective when Blood stasis is caused or worsened by Heat drying and thickening the Blood. The classical text Ben Cao Jing Shu describes it as a herb that 'cools Blood and breaks Blood.' This makes it well suited for Blood stasis patterns that manifest with menstrual blockage, abdominal masses, or traumatic swelling.
A practitioner would look for one or more of these signs
Absent periods due to Blood stasis
Painful periods with dark, clotted menstrual blood
Fixed abdominal masses with pain
Why Ma Bian Cao addresses this pattern
Ma Bian Cao's cool nature and bitter taste allow it to clear Heat and drain Dampness simultaneously. When Damp-Heat lodges in the Liver and Spleen (the two channels this herb enters), it can cause jaundice, difficult urination, dysentery, and skin sores. The herb promotes urination to drain Dampness downward while its cooling action addresses the Heat component. It also resolves toxic Heat that causes throat inflammation and abscesses.
A practitioner would look for one or more of these signs
Yellow skin and eyes from Damp-Heat in the Liver
Water retention with heat signs
Swollen, painful throat from Heat toxins
Diarrhea with mucus, blood, and urgency
Why Ma Bian Cao addresses this pattern
Ma Bian Cao has a distinctive ability to interrupt the cyclical alternating chills and fever characteristic of malaria. In TCM understanding, malaria involves a pathogenic factor that lodges between the exterior and interior of the body, causing periodic attacks. Ma Bian Cao's cool and bitter properties help clear this pathogen. Historical and modern clinical use has shown it effective for both acute and chronic malaria, and it can be used as a single herb for this purpose.
A practitioner would look for one or more of these signs
Alternating chills and fever in periodic attacks
Recurrent fevers that resist other treatments
TCM Properties*
Cool
Bitter (苦 kǔ)
Whole plant / Aerial parts (全草 quán cǎo)
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.