I'm pretty sure I'm alergic to the sulfites in wine. I feel a slight swelling in my throat at times when drinking some wines.
The amount of sulfites varies - reds generally have less than whites.
[link|http://www.beekmanwine.com/prevtopbd.htm|Linky].
It would be a good excuse to either buy fresh wine or make your own. :-)
Hope you get it figured out.
Cheers,
Scott.