飞扬草 / 大飞扬草 / 乳汁草 — Euphorbia hirta L. (syn. Chamaesyce hirta)

Pinyin: Fēiyángcǎo / Dà Fēiyángcǎo · Malay: Ara Tanah / Patikan Kerbau / Tawa-tawa · Family: Euphorbiaceae (大戟科)

Energetics

Cool to Cold (凉 / 微寒)

Flavor

Bitter, astringent, slightly pungent (苦、涩、微辛、微酸)

Meridians

Lung (肺), Large Intestine (大肠), Liver (肝)

Traditional Edict

Clears toxic heat, diffuses Lung to calm wheezing, terminates dysentery, elevates blood platelets, promotes lactation, stops itching. Celebrated as Asthma Weed and Tawa-tawa for Dengue.

Cautions & Contraindications

Fresh milky latex is mildly irritant to eyes; wash hands after harvesting. Contraindicated in pregnancy (mild oxytocic uterine stimulation) and severe cold diarrhea.

Clinical Applications

Bronchial asthma with bronchospasm, Dengue fever thrombocytopenia (platelet elevation), acute bacillary dysentery, postpartum hypogalactia, and cutaneous eczema.

Quality Markers

Quercitrin, Afzelin, Gallic Acid >= 0.50% & Euphorbianin (HPLC MHM standard)

Mechanism & Phytochemistry

1. Quercitrin and shikimic acid stimulate bone marrow megakaryocytopoiesis, accelerating thrombocyte recovery in viral Dengue. 2. Euphorbianin and afzelin relax histamine-contracted bronchial smooth muscle. 3. Triterpenes lyse Entamoeba histolytica and Shigella.

Preparation & Dosage

Whole dried herb in decoction: 10-20 g daily (up to 30-50 g in acute Dengue protocols). Fresh milky sap applied topically to warts and eczema. Standardized extract: 250-500 mg.

Appended Prescriptions

1. Philippine Sovereign Dengue & Platelet Recovery Tea (Tawa-tawa Decoction) with Carica papaya leaf. 2. Bronchial Asthma-Relief Decoction with Vitex negundo and Zingiber.

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Yemama Apothecary · Petaling Jaya, Malaysia · For educational and clinical reference only