Your body needs some sodium to function properly because it: 1  Helps maintain the right balance of fluids in your body. 2  Helps transmit nerve impulses. 3  Influences the contraction and relaxation of muscles.
Some of the conditions that can cause a testicle lump, swelling, and/or pain include: 1  Torsion of the testicle. 2  Injury. 3  Infection. Hydrocele. 4  Varicocele. Epididymal cyst/spermatocele.  Inguinal 1  hernia. Kidney  stones.
Other Causes Of Sore Testicles - Other causes of sore testicles include inguinal hernia, orchitis, kidney stones, and a testicular tumor. An inguinal hernia results when a weakened area in the abdominal wall allows a portion of the intestine to protrude into the scrotum.