Beneficial for gallstones, gallbladder congestion, rheumatism, kidney stones, blood purifier, dysentery, digestion, ileocecal valve, gout, arthritis, jaundice, hepatitis, dyspepsia, headaches. Hydrangea has a long history of promoting a healthy prostate and urinary tract. It combats infection and is believed to be very helpful in treating inflamed or enlarged prostate and bladder infection.