Mary Kay:
I think the forehead puffiness was probably just swelling which tracked down from the sunburned area under the forehead skin. This has no real significance, other than to scare the daylights out of you, causing you to have lighheadendess, which in turn generates a multitude of tests, which scared you further.
No sunburn, however serious, could cause lightheadedness for a month, at least not on a physical basis. If all the tests are normal, get a clean bill of health from your neurologist, and get on with your life. One swallow doesn't make a summer, and one sunburn doesn't mess up your body.
Good luck.
Dr. Rockoff
I just thought I would try this route since my doctors are stumped. It is hard for me to "get on with my life" since I was in bed all day yesterday!
Good luck.
Dr. Rockoff