Chives are in the Allium family, this group also contains onions, garlic and leek.
Patch testing using chives can cause false-positive reactions because of diallyl disulfide which is found in the garlic bulb. This chemical acts as an irritant on the skin. Diallyl disulfide is used as a garlic flavouring in food and garlic oil.
An allergy to chives after ingestion is more commonly linked to Non-IgE allergy than a true IgE allergy. It is important if you think you are allergic to complete a food diary to ensure you are not eliminating large groups of food unnecessarily. There are tips on how to make a Food Diary here.
An allergy to chives is associated with contact dermatitis and urticaria (hives and wheals on the skin).
Chives are in the Alliaceae plant family, other plants in this family are garlic, leeks and onions. If your allergy is severe these plants may also cause allergic reactions.
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