Best Answer: Did you eat spicy food? Or your pain is after the erection? What's more, testicle pain can be generally divided by two conditions. The acute persistent pain and the chronic frequent pain, which are always caused by orchitis or injures. If it caused by injures, there is clear history of trauma, and orchistitis can be caused by the blood infection, or bacterial infection through urethera access to epididymitis and testis, causing epididymitis and orchitis. What's more, it can also appear after sexual life, and caused by varicocele, prostatitis, and other disease, or inflammation. So, I suggest you to check your body in the hospital.