Hello, I too am having pain in my left testicle, it only hurts when touched on the top of it, and my inner left thigh aches as well sometimes..

Pain in left testis. Hi, There are many possible causes of pain the the testicle. I could list all of the possible causes, but I would not want to scare you. Check it out with your doctor. The pain could be coming from your abdomen or somewhere else.