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Potato allergy

Potato allergy has been described rarely, generally in relation to the Oral Allergy Syndrome (OAS). Adults with seasonal allergic rhinitis have been reported in whom peeling of raw potatoes causes oculonasal symptoms, wheezing, and contact urticaria. Skin testing with fresh fruits and vegetables has been recommended in cases of OAS, although the sensitivity of commercial potato extract is reportedly equal to that of fresh potato. The patients may demonstrate clinical and skin test reactivity to raw and uncooked potato in the absence of OAS and have to be followed for the development of seasonal allergic rhinitis. A prick-by-prick test with potato pulp and rub test can be positivewere positive as well as the specific IgE to potato.

References [1, 2].

1. Beausoleil JL, Spergel JM, Pawlowski NA. Anaphylaxis to raw potato. Ann Allergy Asthma Immunol. 2001 Jan;86(1):68-70.

2. Gómez Torrijos E, Galindo PA, Borja J, Feo F, Garcia Rodriguez R, Mur P. Allergic contact urticaria from raw potato. J Investig Allergol Clin Immunol. 2001;11(2):129.