Hello, i have this burning sensation, and little fever around my right side of straight with the bely button it comes straight with the belly button way, sometime i feel pain like right under the skin, but when i touch it deep, i feel no other pains? and i have no othe symptoms, i also feel like burning sensation, as well.my pain sometime just walks around the right side and it goes right behind the middle.. but no other symptoms like nausea ,throw out, stomach , stool is ok, what could this be?