Nature: bitter, cold
Enters: Bladder, Heart, Small Intestine
Actions: Clears damp-heat, promotes urination, unblocks painful urinary dysfunction; breaks up blood stasis; unblocks the bowels.
• Any type of painful urinary dysfunction, especially when bloody.
• Blood stasis: amenorrhea (an auxiliary herb).
• In cases of damp-heat induced painful urinary dysfunction, this herb is most appropriate when heat is predominant.
• The flowers are the most diuretic part of the plant. (Not potassium sparing: in animal experiments, the herb had a more significant effect on potassium excretion than on that of sodium.)
MLT: Strong diuretic, also stimulates intestinal peristalsis.
Hsu: Increases intestinal peristalsis, hypotensive, anthelmintic.
Dose: 6-12g (up to 24g)