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.
Sometimes, what seems to be testicle pain is caused by a problem that starts in the groin, abdomen or somewhere else â for example, kidney stones and some hernias can cause testicle pain. The cause of testicle pain can't always be identified. Causes of testicle pain or pain in the testicle area can include: Diabetic neuropathy (nerve damage caused by diabetes) Drug side effect, such as certain antibiotics and chemotherapy drugs. Epididymitis (testicle inflammation) Gangrene (specifically, a type of gangrene called Fournier's gangrene)