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.
Testicle Lumps. Testicular lumps are abnormal masses found on the testicles. The presence of a lump on the testicle can be quite worrisome, but there are plenty of benign (harmless) causes. If a testicular lump is accompanied by symptoms such as pain, swelling, and redness, it could be due to an infection.