This product is the whole herb with roots of the perennial herbaceous plant Tokyo Violet Herb (Viola yedoensis Makino) of the Violaceae family. It is produced in the lower reaches of the Yangtze River to the southern provinces of mainland China. It is harvested when the fruits mature in summer, washed and used fresh, or dried and cut into segments for use.

The Fabaceae family's Gueldenstaedtia verna (Gueldenstaedtia verna (Georgi) A.Bor.), foxtail millet pocket (G. pauciflora (Pall.) Fish.), the Violaceae family's Viola japonica (Viola japonica Langsd.), or Viola inconspicua (V. inconspicua BI.), and the white-flowered violet V. Patrinii DC., fragrant violet (V. oxycentra Juz.), the Fumariaceae family's Corydalis bungeana (Corydalis bungeana Turcz.), and the Gentianaceae family's South China Gentian (Gentiana Griseb.) are also used as Tokyo Violet Herb in different regions.

bubble_chart Properties and Meridians

Bitter and acrid, cold. Act on heart and liver meridians.

bubble_chart Efficacy

Clearing heat and removing toxins, dispersing abscesses and resolving nodules.

bubble_chart Indications

1. Used for abscesses, sores, acute mastitis, intestinal abscess, erysipelas, swelling, and pain. This product is bitter and draining, acrid and dispersing, cold and able to clear heat, enters the heart and liver meridians (blood aspect), thus it can clear heat and remove toxins, disperse abscesses and dissipate nodules, making it a common remedy for heat and blood stagnation, redness, swelling, heat, and pain, abscesses, and sores, especially effective in treating toxic swellings. For treating abscesses, sores, erysipelas, etc., it can be used alone by pounding the fresh product to extract juice for internal use and applying the residue externally. It can also be combined with Lonicera, Dandelion, wild chrysanthemum flower, and other heat-clearing and toxin-removing substances, such as Five-Ingredient Toxin-Eliminating Decoction; for treating acute mastitis, it is often used together with Dandelion, decocted for internal use, or the residue applied externally, both with good efficacy; for treating intestinal abscess, it is often used together with Rhubarb Rhizoma, sargenrgloryvine stem, Hedyotis, etc.,
2. used for snake venom bites. This product can also detoxify snake venom, for treating poisonous snake bites, the fresh product can be pounded to extract juice for internal use, or combined with a small amount of Realgar, pounded and applied externally.
3. In addition, it can also be used for liver heat red eye tumors, often used together with Chrysanthemum Flower, Cicada Slough, and other medicinal substances.

bubble_chart Documentation

1. Bencao Gangmu: "Treats all types of Yongju back gangrene, sores, scrofula, innominate swelling pain, and malignant sores."
2. Bencaozheng Yi: "Diding is specifically a general medicine for abscesses and toxic sores." "However, its pungent and cool properties disperse swelling and are particularly effective in reducing heat. It is suitable for external sores with blood heat congestion, redness, swelling, and expelling pathogens from the exterior. However, it is inappropriate to claim that it can universally treat Yin-type gangrene and cold coagulation syndromes."

bubble_chart Usage and Dosage

Decoct and take 15-20g. Apply an appropriate amount externally.

bubble_chart Cautions and Contraindications

Constitution: Those with a cold constitution should avoid taking it.

bubble_chart Modern Pharmacology

This product contains flavonoids and anthraquinones. It has inhibitory effects on subcutaneous nodule bacilli, dysentery bacilli, Staphylococcus aureus, pneumococci, dermatophytes, and Leptospira. Additionally, it has antipyretic, anti-inflammatory, and swelling-reducing effects.