“Blue balls, or ‘involuntary testicular vasocongestion’ happens when the male sex organs aren’t able to release the blood that swells during the arousal process,” he explains. When men are sexually aroused, their organs start to swell with blood necessary for penile erection.
The bacterial infection chlamydia urethritis is mainly caused by Chlamydia trachomatis. The infection is spread through oral, anal and vaginal sex. The common type of infection causes both men and women.
Many people think that only women suffer from yeast infections, but men can get them too, though it is much less common. This infection in men can be very painful and unpleasant.