Hi I Have A Burning Pain That Feels To Be

hi i have a burning pain that feels to be just under the skin it is in the front of my right chest and on the back of my right shoulder it is also in my right groin it is a severe pain that seems to shift about it is in patches about 3 inches in area pain out of 10 /8 can you help no doctor here knows what it is or the causeihave had this pain before and it went away after a long time no pain tablets seem to help can you help please regards ernie jones