Small stones that do not cause symptoms, blockage or infection, usually needs no treatment. Drink plenty of fluids will increase urine output and help to remove some stones; if the stone has been lost, then no longer need immediate treatment. Renal colic can be reduced with narcotic analgesics. Stones in the renal pelvis or the ureter top size of 1 centimeter or less can often be solved by ultrasonic waves (extracorporeal shock wave lithotripsy, ESWL). Stone fragments will then be discarded in the urine.
Sometimes a stone removed through a small incision in the skin (percutaneous nephrolithotomy, percutaneous nefrolitotomi), followed by ultrasonic treatment. Small stones in the ureter the bottom can be removed with an endoscope that is inserted through the urethra and into the bladder. Uric acid stones sometimes will dissolve gradually in the atmosphere of alkaline urine (for example by giving potassium citrate), but other stones can not be solved this way. Uric acid stones are larger, which causes blockage, it should be removed surgically. The presence of stone struvit indicate the occurrence of urinary tract infections, as it was given antibiotics.
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