What is the reason for the pain in urination?

Urethral pain may be caused by urethritis, bladder stones, nephritis and other factors.

1. Urethral inflammation in

patients with urethritis due to inflammatory reaction stimulate urethral mucosa, so that urethral mucosa damage, leading to submucosal blood vessel rupture, so that blood with urine discharge, urine but no pain symptoms.

2. Bladder stones

If the patient has bladder stones, but the stone volume is small, and bladder tissue friction, so that bladder tissue damage bleeding, blood and urine discharge, but not accompanied by pain.

3. Nephritis

patients due to kidney function is affected, leading to glomerular barrier damage, permeability increased, so that red blood cells in the blood leakage, urine but no pain.