Hematuria is the presence of red blood cells (RBCs) in the urine. Often, the urine appears normal to the naked eye, but examination under a microscope shows a high number of RBCs. In gross hematuria, the urine is red or the color of cola, which can be seen with the naked eye.
Hematuria Blood in the urine, hematuria, is reddish in color due to red blood cells. Some causes are menstruation, vigorous exercise, viral illness, trauma, or infection (UTI). Hematuriablood-in-the-urine