The Chinese medicinal herb "Da Wei Yao" is the whole herb or root of the plant Da Wei Yao, a member of the Asteraceae family. It is harvested in autumn and can be used fresh or dried. It has the effect of clearing heat and detoxifying, and can be used clinically to treat pneumonia, boils, and other conditions. Let's learn about the medicinal uses of Da Wei Yao!
【 Medicinal Value of Da Wei Yao 】
1. Pneumonia, lung abscess, empyema
Take 60g of fresh Da Wei Yao, decoct with honey and take orally; or take 60-120g of fresh Da Wei Yao, mash and squeeze the juice, mix with honey and take orally.
2. Testicular swelling
Take fresh Da Wei Yao root, 60g each time, take with boiled green duck eggs; or use fresh root to decoct with water and mix with white sugar for oral administration.
3. Boils
Take 60g of fresh Da Wei Yao, chop it, add 1000ml of water, simmer until 500ml. Take 20ml each time, 3 times a day, after meals. Adjust the dosage for children. Clinical observations have shown that it is effective for boils in the early stage, suppurative stage, and tissue necrosis stage, with better results when used in the early stage.
【 Botanical Morphology of Da Wei Yao 】
Da Wei Yao is also known as Gou Wei Cao, Quan Chong Cao. It is an annual herbaceous plant, 15-60cm tall. The root is cylindrical and turns yellow-brown when dry. The stem is erect, stout, and branched, with rough hairs.
Leaves: Opposite or nearly opposite, wrinkled, about 5-10cm long, ovate or triangular-ovate.
Flowers: Green sepals, pale blue-purple or white corolla, 5 stamens, the inflorescence is terminal, a unilateral spike-like inflorescence, with small flowers densely growing on the upper side of the axis, gradually opening from the bottom to the top, flowering from May to September.
The terminal inflorescence is arranged in a forked scorpion-like manner, with the entire inflorescence reaching 15cm in length, and the tip curling like a caterpillar, which is why it is also called Ear Hook Grass.
Fruit: It is a follicle fruit formed by the fusion of two small achenes.
The main effects and functions of Da Wei Yao are dispelling wind and heat, treating pneumonia, pulmonary edema, liver disease, sore throat, oral ulcers, boils, tumors, etc. Crushing Da Wei Yao and applying it externally can reduce swelling.
【 Clinical Applications of Da Wei Yao 】
1. Treatment of pneumonia, lung abscess, empyema: Take 100g of fresh Da Wei Yao. Decoct with honey and take orally; or mash and squeeze 100-200g of fresh Da Wei Yao, mix with honey and take orally.
2. Treatment of abdominal pain due to scrofula: Take 50-100g of fresh Da Wei Yao. Decoct and take orally.
3. Treatment of testicular swelling and pain: Take 100g of fresh Da Wei Yao root. Decoct with water and take orally.
4. Treatment of infantile convulsions: Take 12g of dried Da Wei Yao root, 9g of dried Huang Dan Cao. Add a little salt and stew for consumption.
5. Treatment of oral ulcers: Mash fresh Da Wei Yao leaves and squeeze the juice for gargling, 4-6 times a day.
6. Treatment of painful boils: Take 100g of fresh Da Wei Yao root, add a little salt. Decoct with water and take orally; alternatively, take fresh leaves, mash with leftover rice, and apply to the affected area.
