Usually hematuria is a problem with the urinary system, which includes the urethra, bladder, ureters, and kidneys, and inflammation, tumors, and stones anywhere can cause hematuria. If the infection is in the lower urinary tract, that is, the urethra and bladder, symptoms such as frequent urination, urgency, and painful urination often occur. At this time, hematuria can appear at the end, that is, blood urine appears at the end of urination. In the case of hematuria caused by stones, the symptoms of colic often occur, and hematuria can be throughout. If the hematuria is caused by a tumor, it is often painless and can be hematuria throughout. Therefore, once hematuria occurs, you should be examined to find out which cause it is.