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.
The Primary Causes Of Sore Testicles. The two primary causes of sore testicles are trauma and soreness due to an underlying disorder. The testicles are among the most sensitive organs in the male body and can become sore and painful even under conditions of moderate pressure being applied.