Iv Been Experiencing These Sharp Pains When Im Just Casually

iv been experiencing these sharp pains when im just casually sitting down sitting up playimg the computer its like a pulse feeling its the same feeling iv had in my groin or abdomen im really not sure what part of the body jt is its started from my right testicle to my roght side of my groin that was a gew weeks ago now im experiencing the same thing but this time on my left testicle its like a quick oaon it lasts 15second or so then goes iv been to doctor and he said he couldnt find any sign of hernias etc but the thing im wondering it could be is because i havemt been drinkinf soft drinks iv literally been drinkinf nothing but fizzy pop and capri suns maybe its to much wind?