Dr. Reckeweg R18 Kidney And Bladder Drop helps to support kidney health. It may aid in reducing bladder irritations. Inflammation of the kidneys, renal calculi, sharp stinging pains in the kidneys, and pains in the sacral region. Peritonitis, metritis, piercing pains in the bladder, inflammation of the bladder, burning pains when urinating, yellow urine, turbid.