Hey, guess what. I went to the allergist today and he says I have the worst [acute] case of
dermographism he's ever seen. I heard him tell the other doc and he called all of the nurses in to take a look.
He scratched me (the test) and 15 minutes later, my entire back was on fire, and covered in welts. They gave me an epinephrine shot to reverse the effects - yahoo. Ever have one of those days when you feel like you've drank 27 cups of coffee in 30 seconds or less?

Anyway, suffice to say, the doc told me that it was a weakening of the mast cells in the dermal layer. This causes a person to have an allergic reaction to nothing more than touch.
It's related to
cytokines, histamines, neuropeptides & inflammation.
Here's a good article on the immune system and the inflammatory responses that might also give you some insight into the matter.
Immune RestorationI've noticed over the course of several weeks that certain foods cause a flare up, but don't seem to be consistent with a normal allergic reaction. After chatting with the doc and a couple of friends, I've come to the conclusion that it's the inflammatory qualities in the foods that cause the inflammation to flare up and cause the skin to be more sensitive to contact. Having all of this in mind, on the recommendation of Forevergirl, I've ordered the books
Win the War Within and
Inflammation Nation by Dr. Floyd Chilton & Laura Tucker to get more information on foods that cause inflammation.
What I do know is that omega 6 fats are very inflammatory and omega 3 fats are just the opposite, so until you can get well versed in an antiinflammatory diet, I would recommend uping the dose of Cod Liver Oil (Omega 3) and avoiding things containing the omega 6 fats as much as possible.
I'll update as I know more.
Pics: Click to enlarge.
NECK:

ARM:
BACK: BELLY:
SHOULDERS:
UNDERARMS:

THIGHS: