What is the reason why urine blood does not hurt the body without feeling

Blood in the urine is not painful. The body does not feel pain may be related to glomerulonephritis, kidney stones, bladder cancer and other reasons.

1, glomerulonephritis

with glomerulonephritis, glomerular filtration function will be damaged, leading to red blood cells into the urine, there may be no pain or other discomfort symptoms.

2, kidney stones

kidney stones movement if accidentally scratch the surrounding mucosa, may cause blood in the urine. Because the kidney nerve is not rich, so there may be no pain symptoms.

3, bladder cancer early

because of the tumor on the body is relatively small, there may be no obvious discomfort symptoms, some patients due to a small amount of tumor cells shed, may appear blood in the urine symptoms.