Yu Xing Cao-Herba Houttuyniae

Yu Xing Cao鱼腥草, the fresh or dried aerial parts of Houttuynia cordata Thunb., is a distinctive herb in Traditional Chinese Medicine (TCM) known for its fishy aroma and strong heat-clearing, toxin-resolving properties. It is especially valued in respiratory and urinary tract infections, where it helps clear damp-heat and promote pus drainage.

Traditional applications described for educational purposes. Professional guidance recommended for therapeutic use.

Key Benefits
Clears Heat & Resolves Toxins（清热解毒） – Effective in treating lung abscess, sore throat, and heat-induced swellings.
Promotes Urination & Drains Damp-Heat（利尿通淋） – Helpful for hot painful urination and damp-heat in the lower burner.
Reduces Lung Abscess & Expels Pus（消痈排脓） – Traditionally used for lung abscess with cough, fever, and purulent sputum.
Relieves Respiratory Infections（止咳平喘） – Aids in acute bronchitis and pneumonia with productive cough.

Dosage & Administration
Decoction: 15–30 g fresh herb or 9–15 g dried herb.
Fresh Juice: 30–60 ml for acute febrile infections.
External Use: Crushed fresh herb applied to carbuncles or skin infections.
Common Combinations: With Bai Jiang Cao for intestinal abscess; with Jin Yin Hua and Lian Qiao for upper respiratory tract infections.

Characteristics
Taste: Pungent, slightly cold.
Nature: Slightly cold.

Safety Notes
May cause mild allergic reactions in sensitive individuals.
Avoid in cases of cold from deficiency or weak digestion.
Prolonged high-dose use may cause mild gastrointestinal discomfort.