Overview
Diuretic and stone-reducing support; used for cystitis, urethritis, nocturnal enuresis, prostatitis, acute/chronic urinary inflammation (per text).
Plant family
Gramineae
Parts used
Dried style and stigma
Actions
Diuretic · Astringent
Affinities
Urinary · Cardiovascular
Body systems
Urinary · Cardiovascular
Taste profile
Somewhat sweet
Tissue states
Traditional use
Chinese medicine note: used as diuretic for congestive heart failure and to treat diabetes and hypertension; decocted with watermelon peel and bananas (per text).
Current use
Diuretic and stone-reducing support; used for cystitis, urethritis, nocturnal enuresis, prostatitis, acute/chronic urinary inflammation (per text).
Preparation
Infusion; liquid extract; tincture
Dosage guidance
Infusion: 4–8 g dried style/stigma 3× daily. Liquid extract: 4–8 mL. Tincture (1:5 in 25% alcohol): 5–15 mL 3× daily.
Cautions & contraindications
Prolonged oral use might cause hypokalemia. Might have hypotensive effects; caution combining with other hypotensive herbs/supplements. Pregnancy: likely safe in food amounts; avoid larger amounts (possible uterine stimulant effects). Breast-feeding: avoid (lack of safety info).
Evidence notes
Course text includes a 2005 animal study showing diuretic and kaliuretic effects at specific doses; clinical translation requires caution, especially around electrolytes.