I keep get spasms in my urethra I think coming from bladder what can cause it?

Urethral syndrome? ... possible causes are spasms of the muscles around the urethra, nerve problems caused by a herpes infection, or a disease such as diabetes. Psychological factors, such as stress, may also play a role. Ref: www.summitmedicalgroup.com/library/adult_health/aha_obg_urethral_syndrome/