Scar tissue formation within the urethra, often resulting from prior infection, injury or previous surgical procedures, is the most common cause of urethral stricture. Other contributing causes include prolonged catheter use, certain sexually transmitted infections left untreated, and in some cases, congenital narrowing present from birth.
- Scar tissue from prior infection or injury
- Complications following previous urological procedures or catheter use
- Untreated sexually transmitted infections
- Congenital narrowing present from birth
- Trauma to the pelvic or genital area