Weird sudden allergies?

I’ve never had any allergies my whole life. In the past year or two I’ve had weird reactions to different things I’ve eaten. Mostly fruit related it seems? Is this common with graves? Is it some weird immune response? But it’s not consistent either so i don’t know if im actually allergic to anything or not? Most of the time my symptoms are weird mouth sensations, tingly/numb lips/tongue and redness around my mouth/cheeks. Super weird! I know anxiety can cause histamine releases too so I’m wondering if that plays a part in it? Yesterday I ate a peach and immediately my mouth felt strange. About 20 mins after eating the peach I had awful stomach pains that had me on the floor crying in pain for almost two hours. My body felt extremely weak and shakey and my heart rate was sitting in the 50s (which is very low for me) Eventually threw up the peach, and got sick on the toilet after.. after that it took a while to subside but eventually the stomach pain went away. But after all that almost 3 hours later, I then developed hives all over my body!! Sooo weird how it progressed.. eventually I took a Benadryl and went to bed but was a little concerning. Anyone else have similar experiences?