Many people with medullary sponge kidney have no symptoms. The first sign that a person has medullary sponge kidney is usually a UTI or a kidney stone. UTIs and kidney stones share many of the same signs and symptoms: - burning or painful urination - pain in the back, lower abdomen, or groin - cloudy, dark, or bloody urine - foul-smelling urine - fever and chills - vomiting People who experience these symptoms should see or call a health care provider as soon as possible. 
What are the symptoms of Medullary Sponge Kidney ?