Dawei Yao, a Chinese herbal medicine, is the whole plant or root of the plant Dawei Yao from the family Rubiaceae. It is distributed in Fujian, Taiwan, Guangdong, Hainan, Guangxi, Yunnan, and other regions. It has the effects of clearing heat, detoxifying, and diuresis. It is commonly used for pneumonia, empyema, sore throat, oral ulcers, bladder stones, and abscesses.
Picture of Dawei Yao
The aliases of Dawei Yao: squid grass, spotted grass, cat tail grass, elephant trunk pill, elephant trunk grass, ink squid whisker grass, big dog tail, elephant trunk flower, mustard greens, dog tail worm, four-cornered grass, snakehead, stinky lemon
Traditional Chinese medicine believes that Dawei Yao has the effects of clearing heat, detoxifying, and diuresis, and is used for pneumonia, empyema, sore throat, oral ulcers, bladder stones, abscesses, and other conditions.
1. "Selected Compilation of Guangxi Materia Medica": "Clears heat, detoxifies, drains pus, and reduces swelling."
2. "National Compilation of Chinese Herbal Medicines": "Clears heat and detoxifies. Mainly used for pneumonia, lung abscess, empyema, diarrhea, dysentery, orchitis, diphtheria, oral ulcers, and boils."
Internal use: Decoction, 15-30g, fresh 50-100g; or juice mixed with honey for oral administration. External use: Appropriate amount, decoction for washing or juice for gargling.
1. Anticancer effect
2. Smooth muscle effect
3. The water extract of the root can be intravenously injected into anesthetized cats to lower blood pressure, accompanied by respiratory excitement; it has an inhibitory effect on isolated frog hearts; the alcoholic extract has no effect
4. Toxicity: The water extract has slight toxicity; the alcoholic extract has no obvious toxicity
