Last night, experienced sudden onset of burning, stinging, prickly feeling and redness, skin was hot to touch and tender to touch, looked like I had a sunburn on my body. Started at ears, then forearms, elbows, front and back of upper legs, front and back of knees. Also redness in face, orbital bone of eyes. Lasted about 30 minutes, then subsided some. Then, had 2 more episodes, but not as bad.