Peaches or pesticides

Ah, a new allergy developth...
Ate some delicious white peaches from Walmart yesterday. Once in AM once in PM. Developed raised red bumps/swelling over 4-5 finger joints within 30 minutes each time. Lasted for a few hours. But joints don't hurt.
 
Last December's allergy tests were totally negative for peaches. But these were not organic - so it may actually be the common pesticides I'm allergic too. Food allergies usually develop to things you're often eating. I don't eat peaches often. However, since there's not a lot of organic available in my town - I am eating pesticide residues a lot.
 
So next time I will try and find an organic peach to eat. See if it's the fruit or the pesticides I'm reacting to.