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.
Testicular swelling, like pain in the testicle, can arise from several different causes, some of which constitute a medical emergency. Testicular swelling may be perceived when there is localized enlargement of a testicle or a more generalized enlargement of the scrotum.It may be one-sided or bilateral and may or may not be accompanied by pain and other symptoms.esticular swelling may be perceived when there is localized enlargement of a testicle or a more generalized enlargement of the scrotum. It may be one-sided or bilateral and may or may not be accompanied by pain and other symptoms.