Herbs that drain dampness

Channels: BL

Properties: Bitter, Slightly Cold

Common: Knotweed, Polygonum

Latin: Herba Polygoni Avicularis

Functions:

• To promote water metabolism and regulate abnormal urination;
• To expel parasites and stop itching

Indications & Combinations:

• Damp-heat in the urinary bladder manifested as scanty urine with blood, painful urination, urgency of micturition and frequent urination. Bianxu is used with Qumai, Mutong and Huashi in the formula Bazhen San.

• Eczema and trichomonas vaginalis. The decoction of Bianxu is used externally for washing.

Dosage:

• 10-15 g