Blood in the urine can look pink, red or cola-colored. Red blood cells cause the urine to change color. It takes only a small amount of blood to turn urine red. The bleeding often isn't painful. But if blood clots get passed in the urine, that can hurt.
blood urine can look pink  red cola-colored  red blood cells cause urine change color  takes only small amount blood turn urine red  bleeding isn't painful  blood clots passed urine  can hurt
blood in urine