This sounds plausible, thanks!
The main things that don't seem to fit are
apart from banana, I don't think anything else gives the burning sensation
it only seems to come from food, and in particular I haven't noticed any issues with latex condoms
I've eaten many of the cross reactive foods, and regularly eat some of them, and don't associate it with any of them
But I wouldn't be surprised if none of those are actually surprising, and I could easily fail to notice if other things were associated.
No other food allergies that I know of. Benadryl seems to mean something else in the UK, but I'll try to pick up some diphenhydramine.
Latex condoms have bothered me exactly once, and I used them for several years. The one experience was sufficient to put me off of them, though.
Kiwi hits me every time. Banana, only if it's unripe, and then again only some of the time. Avocado, I get the feeling about 30% of the time. With avocado, it appears to be a variance in me, rather than the fruit; I can sometimes eat guacamole (which contains multiple avocados), and sometimes not. I hate celery, but have never reacted to it. AFAIK potatoes and carrots have never bothered me, nor tomatoes. An...
This thread is for asking any questions that might seem obvious, tangential, silly or what-have-you. Don't be shy, everyone has holes in their knowledge, though the fewer and the smaller we can make them, the better.
Please be respectful of other people's admitting ignorance and don't mock them for it, as they're doing a noble thing.
To any future monthly posters of SQ threads, please remember to add the "stupid_questions" tag.