Visible (macroscopic) hematuria, documented since ancient times, 1,2 is striking, particularly when there is no prior event, such as trauma, dysuria due to cystitis, or flank pain with passage of a ...

Red blood cells (RBC) can be present in urine even when they are not visible to a person. Also known as hematuria, RBC in urine can indicate an infection, kidney disease, and other health conditions.

A large number of my female patients have trace blood in their urine that does not clear up with antibiotics. Should all these patients be referred to a urologist? —REBECCA A. WALDEN, PA-C, Douglas, ...