I'm allergic to dairy products. It was just an allergy to my ears, but I've become lactose intolerant over the years, also. I'm also allergic to fresh pineapple. I LOVE the stuff, but if I eat it, I simply cannot breathe. Yellow mustard also makes my mouth blow up and swell.

Dairy
Pineapple
Yellow Mustard
Red dye in medications - only a certain # of the dye, though