Solidin HM 9 is a bladder- and kidney drop remedy featuring Solidago virgaurea, Uva ursi, and Orthosiphon, designed to address bladder complaints, catarrh of the bladder and kidneys, and the non-productive urge to urinate. Solidago virgaurea provides anti-inflammatory, diuretic, and analgesic benefits, while Uva ursi disinfects the urine. Orthosiphon has diuretic and spasmolytic effects, and Echinacea purpurea stimulates the immune system.