Chinese herb Datura metel is produced in Taiwan, Sichuan, Yunnan and other places, also known as Datura stramonium, earth gua wolf poison. It has the effects of promoting blood circulation and stopping bleeding, killing insects and relieving itching, and is commonly used for bleeding wounds, bruises, scrofula, and scabies, but it should not be taken internally!
【Effects and Functions of Datura metel】
Datura metel has the effects of promoting blood circulation and stopping bleeding, killing insects and relieving itching, and is used to treat bleeding wounds, bruises, scrofula, and scabies.
1. "Dian Nan Ben Cao": "Used for scabies and leprosy."
2. "Yunnan Chinese Herbal Medicine": "Stops bleeding, reduces inflammation, reduces swelling. Used for external bleeding."
3. "National Compilation of Chinese Herbal Medicine": "Purges downward and eliminates water, externally used to stop bleeding and relieve itching. Used for bleeding wounds, lymphadenitis, bruises and pain, itchy skin, scabies."
【Morphological Characteristics of Datura metel】
Perennial herb with white latex. Rhizome is clump-shaped or conical, brown outer skin and yellow-white inner surface. Stem erect, purple-brown. Leaves simple, alternate, almost sessile; leaf blades narrow elliptic or lanceolate, 1.5-6cm long, 8-15mm wide.
Inflorescence terminal and axillary, 1-3 times 3-branched, usually with 3 leaf-like ovate bracts at the branching point, and 2 small bracts at the apex of the final branching, with a cup-shaped umbel inflorescence at the apex.
Flowers light yellow, gland reddish-brown, flat and wide elliptical, capsule ovate, with soft spines. When mature, it splits into 3 chambers.
【Precautions for Using Datura metel】
Datura metel is prohibited for internal use. When harvesting, contact with the sap can cause swelling and peeling of the skin.
1. "Dian Nan Ben Cao": "It is highly toxic and should not be used on humans."
2. "Yunnan Chinese Herbal Medicine": "When harvesting, avoid contact with the sap on the skin, otherwise it may cause allergic reactions, with symptoms of facial swelling."
3. "National Compilation of Chinese Herbal Medicine": "This product is highly toxic, and internal use should be extremely cautious. After poisoning, it can cause abdominal pain, diarrhea, vomiting, restlessness, decreased blood pressure, and in severe cases, dizziness, unsteady walking, and convulsions."
"Emergency treatment methods: ① Gastric lavage, sedatives and intravenous fluids. ② Licorice, dried ginger, each 9g, mung beans 15g. Decoction and oral administration."
