Urethral stones are still painful, what's going on?

Urethral stone lithotripsy is also painful to consider is the stone damage urethra, urethritis and other reasons caused, as follows:

1, stone damage urethra

in urethral stone lithotripsy, stone fragments can be discharged with urine through the urethra. If the sharp part of the stone in the discharge process of urethral mucosa stimulation or scratch, it may make patients appear urethral stone lithotripsy also painful symptoms.

2, urethritis

If patients in the presence of long-term urethral stones before the lithotripsy, may cause urethritis, and urethral mucosa stimulation, so that it appears pain symptoms.