My boyfriend has what appears to be some sort of bug bite in his stomach. There is a small reddish/purple center that is slightly raised with a bit of skin flaking/ peeling around it. Then a ring of regular colored flesh and then a huge perfect oval shaped ring of bright red unraised flesh the red ring is probably as big as his hand.... Whole thing looks like a bullseye target... He of course refuses to seek immediate medical attention... He has had this for a week with the first two days be painful... Now aside from the obvious discoloration and raised center he has no burning, itching, pain etc