Pt. is constantly moving to try to find comfortable position. Sudden onset of pain. May be none if ureter obstructed. Often occur as stone is in distal ureter and bladder. Nausea and vomiting common.
Fever suggests infection.
Diagnosis UA and UCx. Always check urine culture because UA may not be sensitive enough to detect. Low sensitivity, fair specificity. Ureteral dilation may be from inflammation and not obstruction. Difficult to visualize stones in the middle ureter.