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Grass of Common KnotGrass is the dried aerial part of the plant Grass of Common KnotGrass from the Polygonaceae family. It is produced throughout China, and the original plant grows on hillsides, fields, and roadsides. It has strong adaptability to climate and can grow in both cold mountainous areas and warm flatlands. It has a bitter taste and slightly cold nature. It belongs to the bladder meridian. Its effects include promoting urination, relieving strangury, killing worms, and stopping itching. The clinical name is Grass of Common KnotGrass.

bubble_chart Compendium of Materia Medica

Shennong Bencao Jing: Bitter in taste, neutral in nature. It treats spreading sores, scabies, ulcers, hemorrhoids, and kills three types of parasites.

Mingyi Bielu: Non-toxic. It treats female pudendal sores.

Kaibao Bencao: Bitter in taste, neutral in nature, non-toxic. It treats female pudendal sores.

Bencao Gangmu: It treats cholera jaundice, promotes urination, and treats infantile convulsions.

Bencao Mengquan: Bitter in taste, neutral in nature. Non-toxic. It treats spreading sores, scabies, ulcers, hemorrhoids, and relieves eye pain caused by mineral toxins. It expels roundworms in children and treats female pudendal sores.

Bencao Chengya: Xu Yun: It seals the portals, named according to the symptoms it treats. The 84,000 pores on the body open and close like portals. For symptoms such as spreading sores and scabies, these pores are sealed. Grass of Common KnotGrass has nodes that open and close, symbolizing paradoxical treatment and oppositional methods.

It is suitable for heat and metal causing spreading sores and scabies. It is also suitable for smallpox, hidden eruptions, and pores that are closed and need to release sweat. However, its bitter and neutral nature makes it less effective in severe cold conditions. If the disease is contrary to its nature, or if exterior pathogens have not entered the interior, it can quickly resolve the condition.

Jingyue Quanshu: Bitter and astringent in taste. It promotes urination, treats jaundice, kills three types of parasites, and removes dampness-heat from the lower body, treating pudendal sores, scabies, hemorrhoids, and fistulas. Boiling its juice and drinking it is highly effective for treating abdominal pain caused by roundworms in children. There is a sea song: "When heart pain is unbearable, I have a divine remedy from the sea. Boil Grass of Common KnotGrass with vinegar and drink it, and you will be healthy in no time."

Bencao Beiyao: Also known as Bianzhu, it relieves strangury.

Bitter and neutral in nature. It kills worms, treats scabies, and promotes urination. It treats jaundice, heat strangury, abdominal pain from roundworms, and parasitic infections in the lower body.

Benjing Fengyuan: Grass of Common KnotGrass promotes urination and disperses dampness-heat. It treats jaundice, cholera, infantile convulsions, and female pudendal sores.

Benjing It mainly treats spreading sores, scabies, ulcers, and hemorrhoids, all caused by dampness-heat. The three types of parasites are also transformed by dampness-heat.

Bencao Chongyuan: Jingui Yaolue: Yellow-water sores (impetigo) that spread from the mouth to the limbs can be treated. Those that spread from the limbs to the mouth cannot be treated. The mouth is the orifice of the spleen, which governs the limbs. Grass of Common KnotGrass, with its fire nature, warms the earth and treats spleen dampness. Blood that does not disperse to the skin and hair causes scabies. Grass of Common KnotGrass, with its wood nature, treats scabies. If spreading sores can be treated, then ulcers and hemorrhoids can also be treated. If scabies can be treated, then the three types of parasites can also be treated. Due to its wood and fire nature, it benefits the triple energizer and reaches the skin through the meridians, thus treating these conditions. Jingmai and reaching the skin, it treats these conditions.

Bencao Qiuzhen: [Comment] Removes dampness-heat and kills worms.

Grass of Common KnotGrass specifically enters the spleen. Bitter in taste and neutral in nature, it promotes urination, clears heat, removes dampness, and kills worms. It treats infantile convulsions, female pudendal sores, spreading cutaneous pruritus, ulcers, and hemorrhoids. The sea song says: "When heart pain is unbearable, I have a divine remedy from the sea. Boil Grass of Common KnotGrass with vinegar and drink it, and you will be healthy in no time." Its bitter taste disperses heat and subdues worms, but it only treats symptoms and does not benefit the body, so it should not be used frequently.

Depei Bencao: Bitter, neutral. Enters the Taiyang meridian. Removes dampness-heat, treats cholera, kills three types of parasites, treats sores and scabies, treats jaundice, and stops bloody strangury. It can break blood stasis.

Fried with vinegar, it treats heart pain caused by roundworms. Boiled with noodles, it treats hemorrhoid swelling and pain.

Overuse depletes essential qi.

Bencao Fenjing: Bitter, neutral. Promotes urination, removes dampness-heat, relieves strangury, and kills worms.

Bencao Sibianlu: The grass of Common Knotgrass has green leaves and red stems, embodying the qi of wood and fire. It spreads its vines and shortens its nodes, with a bitter and neutral taste, capable of unblocking and benefiting the triple energizer, and searching out and eliminating hidden and subtle dampness-heat diseases. Therefore, Benjing primarily treats spreading sores, scabies, abscesses, hemorrhoids, and kills three types of parasites. Bielu is used to treat women's pudendal sores.

Jingui Yaolue states: Yellow-water sore (impetigo) that flows from the mouth to the limbs can be treated, but if it flows from the limbs to the mouth, it cannot be treated. This is because the mouth is the orifice of the spleen. When it flows to the limbs, the dampness-heat does not harm the spleen, and the spleen-earth has the power to treat it. The Grass of Common KnotGrass spreads its vines and promotes nodes, with flowers blooming at each node. Can this not be seen as a manifestation of dampness-heat flowing to the limbs?

bubble_chart Modern Pharmacology

1. The Grass of Common KnotGrass has a significant diuretic effect.
2. The decoction of Grass of Common KnotGrass inhibits various pathogenic bacilli and cocci.
3. The water extract and ethanol extract of Grass of Common KnotGrass have antihypertensive effects.
4. The water-alcohol extract of Grass of Common KnotGrass can accelerate blood coagulation and increase smooth muscle tension. Avicularin has a choleretic effect.