Testicular pain is pain you feel in one or both of your testicles. Your testicles are the two soft, round structures inside your scrotum, the sac of skin underneath your penis. Testicles make sperm ...

“Blue balls” is the achy feeling you might get in your scrotum when you get sexually aroused but don't have an orgasm. Doctors call it epididymal hypertension, though it's not considered a medical ...