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Allergic reaction after ingestion of orange blossom pollen.

Abstract

A 31-year-old atopic subject with allergic rhinoconjunctivitis with sensitization to several pollens, presented with urticaria and angioedema after ingestion of orange blossom pollen (Citrus sinensis). A positive skin prick test for orange blossom pollen extract (BIAL-Aristegui, Bilbao, Spain) at a concentration of 1.2 mg/ml was obtained. Serum specific IgE antibodies to orange blossom pollen were shown (Unicap Pharmacia System, Uppsala, Sweeden). A conjunctival provocation test was negative with orange blossom pollen extract dilutions of 1:1000, 1:100 and 1:10 w/v. We describe a patient with an IgE-mediated reaction caused by hypersensitivity to orange blossom pollen. Although the pollen is an aeroallergen and the way of sensitization and entrance is the airway, and therefore the symptoms appear in this location, when contact is through some other route such as the digestive tract, it is also able to sensitize reporting urticaria and angioedema like in our case, instead of respiratory symptoms.

Authors+Show Affiliations

Allergy Unit, Hospital Clinico Universitario, Valencia, Spain. labour-david@hotmail.comNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Case Reports
Journal Article

Language

eng

PubMed ID

16689190

Citation

El-Qutob López, D, et al. "Allergic Reaction After Ingestion of Orange Blossom Pollen." Journal of Investigational Allergology & Clinical Immunology, vol. 16, no. 2, 2006, pp. 140-1.
El-Qutob López D, Morales Rubio C, Cervera Aznar R, et al. Allergic reaction after ingestion of orange blossom pollen. J Investig Allergol Clin Immunol. 2006;16(2):140-1.
El-Qutob López, D., Morales Rubio, C., Cervera Aznar, R., & Pelaez Hernández, A. (2006). Allergic reaction after ingestion of orange blossom pollen. Journal of Investigational Allergology & Clinical Immunology, 16(2), pp. 140-1.
El-Qutob López D, et al. Allergic Reaction After Ingestion of Orange Blossom Pollen. J Investig Allergol Clin Immunol. 2006;16(2):140-1. PubMed PMID: 16689190.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Allergic reaction after ingestion of orange blossom pollen. AU - El-Qutob López,D, AU - Morales Rubio,C, AU - Cervera Aznar,R, AU - Pelaez Hernández,A, PY - 2006/5/13/pubmed PY - 2006/10/27/medline PY - 2006/5/13/entrez SP - 140 EP - 1 JF - Journal of investigational allergology & clinical immunology JO - J Investig Allergol Clin Immunol VL - 16 IS - 2 N2 - A 31-year-old atopic subject with allergic rhinoconjunctivitis with sensitization to several pollens, presented with urticaria and angioedema after ingestion of orange blossom pollen (Citrus sinensis). A positive skin prick test for orange blossom pollen extract (BIAL-Aristegui, Bilbao, Spain) at a concentration of 1.2 mg/ml was obtained. Serum specific IgE antibodies to orange blossom pollen were shown (Unicap Pharmacia System, Uppsala, Sweeden). A conjunctival provocation test was negative with orange blossom pollen extract dilutions of 1:1000, 1:100 and 1:10 w/v. We describe a patient with an IgE-mediated reaction caused by hypersensitivity to orange blossom pollen. Although the pollen is an aeroallergen and the way of sensitization and entrance is the airway, and therefore the symptoms appear in this location, when contact is through some other route such as the digestive tract, it is also able to sensitize reporting urticaria and angioedema like in our case, instead of respiratory symptoms. SN - 1018-9068 UR - https://www.unboundmedicine.com/medline/citation/16689190/Allergic_reaction_after_ingestion_of_orange_blossom_pollen_ L2 - http://www.jiaci.org/issues/vol16issue02/vol16issue02-11.htm DB - PRIME DP - Unbound Medicine ER -