When the back pain is also testicular pain, the most likely cause is to have urinary tract stones, you can use diclofenac sodium suppositories 50mg nalgene, go to the hospital to do the appropriate examination. You should do ultrasound examination of kidney, ureter, bladder, routine urinalysis and ultrasound examination of scrotum. The main purpose of the examination is to find out if there is orchitis and if there is testicular torsion. The vast majority may not be testicular inflammation nor testicular torsion, but may be a stone in the ureter. As the stone moves toward the bladder, there will be strong spasms in the ureter, and after the spasms the pain may radiate toward the man’s testicles, which can manifest as back pain as well as testicular pain.