<s>[INST] <<SYS>> This is a medical question of type : complications <</SYS>> What are the complications of Medullary Sponge Kidney ? [/INST] Complications of medullary sponge kidney include
                
- hematuria, or blood in the urine  - kidney stones  - urinary tract infections (UTIs)
                
Medullary sponge kidney rarely leads to more serious problems, such as chronic kidney disease or kidney failure. </s>