A urethral stricture involves scarring that narrows the urethra (a tube that carries urine from the bladder out of your body).

Patients with urethral stricture experience obstructive symptoms as decreased urine stream, Incomplete bladder emptying, difficulty, straining or pain when urinating, spraying of the urine stream, urge to urinate or more-frequent urination and recurrent urinary tract infections

The scar tissue, which can narrow the urethra, can be due to medical procedures when an instrument inserted into the urethra, such as an endoscope, Intermittent or long-term use a catheter, trauma or injury to the urethra or pelvis, previous surgery to reduce an enlarged prostate gland, urinary tract infections, radiation therapy. Often the cause is unknown.

To make a diagnosis, further test are necessary as a urinary flow test to check the strength of the urine flow ,bladder ultrasound to check for the presence of urine in your bladder after urination and cystoscopy to confirm the presence and the position of the stricture into the urethra

The treatment of the urethral strictures will depend on your situation. The treatment options include the endoscopic optical urethrotomy, urethral dilatation and if frequent and recurrent urethral strictures urethroplasty