citrus foods, and others like tomato are often high in histamine, and often cause problems for those with food allergies or environmental allergies, e.g tree pollen allergies. my son avoids many fruits types due to his OAS , bananas seem ok though.
Yes I do the same. Gums will swell and the area gets very sensitive. It takes a full day to get back to a normal. I have to drink a lot of water and use a spray that I have used for years when I come in contact with a food allergen.
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