1, hematuria in children, the first consideration is acute nephritis, calculus or nutcracker phenomenon (left renal vein compression syndrome);
2, middle-aged hematuria, then more common urinary tract infection, stones or nephritis;
3, hematuria with renal colic, consider kidney calculi or ureteral calculi;
4, hematuria with renal morphological changes, more common renal cysts, tumors, hydronephrosis and so on.
Hematuria caused by abnormal kidney is often accompanied by edema, proteinuria, hypertension and other symptoms. At this time, it is necessary to go to the hospital for treatment in time to avoid further deterioration of renal function.