In this case report, we describe a birch pollen-allergic patient in whom a Fobi pouch gastric bypass was associated with the transition from a mild, localized, birch pollen-related oral allergy syndrome to more severe, generalized allergic reactions to peach.

Faber M, Sabato V, De Witte L, Van Gasse A, Hagendorens MM, Leysen J, Bridts CH, De Clerck LS, Ebo DG: State of the art and perspectives in food allergy (part I): diagnosis. Curr Pharm Des 2014;20:954-963.
Ebo DG, Swerts S, Sabato V, Hagendorens MM, Bridts CH, Jorens PG, De Clerck LS: New food allergies in a European non-Mediterranean region: is Cannabis sativa to blame? Int Arch Allergy Immunol 2013;161:220-228.
Werfel T, Asero R, Ballmer-Weber BK, Beyer K, Enrique E, Knulst AC, Mari A, Muraro A, Ollert M, Poulsen LK, Vieths S, Worm M, Hoffmann-Sommergruber K: Position paper of the EAACI: food allergy due to immunological cross-reactions with common inhalant allergens. Allergy 2015;70:1079-1090.
Webber CM, England RW: Oral allergy syndrome: a clinical, diagnostic, and therapeutic challenge. Ann Allergy Asthma Immunol 2010;104:101-108; quiz 109-110, 117.
Pali-Scholl I, Herzog R, Wallmann J, Szalai K, Brunner R, Lukschal A, Karagiannis P, Diesner SC, Jensen-Jarolim E: Antacids and dietary supplements with an influence on the gastric pH increase the risk for food sensitization. Clin Exp Allergy 2010;40:1091-1098.
Scholl I, Untersmayr E, Bakos N, Roth-Walter F, Gleiss A, Boltz-Nitulescu G, Scheiner O, Jensen-Jarolim E: Antiulcer drugs promote oral sensitization and hypersensitivity to hazelnut allergens in BALB/c mice and humans. Am J Clin Nutr 2005;81:154-160.
Untersmayr E, Scholl I, Swoboda I, Beil WJ, Forster-Waldl E, Walter F, Riemer A, Kraml G, Kinaciyan T, Spitzauer S, Boltz-Nitulescu G, Scheiner O, Jensen-Jarolim E: Antacid medication inhibits digestion of dietary proteins and causes food allergy: a fish allergy model in BALB/c mice. J Allergy Clin Immunol 2003;112:616-623.
Simons FE, Ebisawa M, Sanchez-Borges M, Thong BY, Worm M, Tanno LK, Lockey RF, El-Gamal YM, Brown SG, Park HS, Sheikh A: 2015 update of the evidence base: World Allergy Organization anaphylaxis guidelines. World Allergy Organ J 2015;8:32.
Untersmayr E, Jensen-Jarolim E: The role of protein digestibility and antacids on food allergy outcomes. J Allergy Clin Immunol 2008;121:1301-1308; quiz 1309-1310.
Shakeri-Leidenmuhler S, Lukschal A, Schultz C, Bohdjalian A, Langer F, Birsan T, Diesner SC, Greisenegger EK, Scheiner O, Kopp T, Jensen-Jarolim E, Prager G, Untersmayr E: Surgical elimination of the gastric digestion by Roux-en-Y gastric bypass impacts on food sensitisation - a pilot study. Obes Surg 2015;25:2268-2275.
Staikuniene J, Staneviciute J, Adamonis K, Serapinas D: Wheat-dependent exercise-induced anaphylaxis following laparoscopic adjustable gastric banding procedure associated with Helicobacter pylori infection. Eat Weight Disord 2014;19:267-270.
Ishida RK, Faintuch J, Paula AM, Risttori CA, Silva SN, Gomes ES, Mattar R, Kuga R, Ribeiro AS, Sakai P, Barbeiro HV, Barbeiro DF, Soriano FG, Cecconello I: Microbial flora of the stomach after gastric bypass for morbid obesity. Obes Surg 2007;17:752-758.
Varban OA, Hawasli AA, Carlin AM, Genaw JA, English W, Dimick JB, Wood MH, Birkmeyer JD, Birkmeyer NJ, Finks JF: Variation in utilization of acid-reducing medication at 1 year following bariatric surgery: results from the Michigan Bariatric Surgery Collaborative. Surg Obes Relat Dis 2015;11:222-228.
Ma S, Sicherer SH, Nowak-Wegrzyn A: A survey on the management of pollen-food allergy syndrome in allergy practices. J Allergy Clin Immunol 2003;112:784-788.
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