Stinging pain in the urethra is mainly considered to be related to trauma, urinary tract infection, and urinary stones. 1. Trauma: external injury to the urethra can lead to tingling, swelling and other uncomfortable symptoms in the affected area. 2. Urinary tract infection: a common form of urethritis, which can lead to symptoms such as tingling in the urethra. If the patient is a man, you should also consider the possibility of prostatitis, which can also cause symptoms of urethral stinging. 3. Urinary stones: Urethral stones may cut through the skin and mucous membrane of the urethra, which in turn may cause symptoms of urethral stinging. There are many other causes of urethral stinging, such as gonorrhea, glaucoma, etc. It is recommended to consult a doctor as soon as possible to confirm the diagnosis of the condition, and then treat it under the guidance of the doctor.