which bacterium cause epididymitis?
Epididymitis is usually caused by a bacterial infection that starts in the urethra, bladder, or prostate and ultimately spreads to the epididymis. Depending on the patientâs age, the most common causes of epididymitis are sexually transmitted infection, an enlarged prostate gland, or urinary tract infections.
1 Gonorrhea and chlamydia are the most common causes of epididymitis in young, sexually active men. 2  Other infections. 3  For boys and men who aren't sexually active, epididymitis can be caused by a nonsexually transmitted bacterial infection.