What Causes Severe Pain In Arms And Rib Cage?

started a couple of months ago with a really painfull upper lefth arm pain about a month ago developed similar pain under my left rib hurts to move and when I lay down and when I touch it I have got chronic nerve damage in my upper left leg groin area I take 150mg of pregabalin daily and lidocaine patch daily 12hours every day could this be connected