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Delayed-type allergy to spices.

A Niinimäki

    Contact Dermatitis
    |July 1, 1984
    PubMed
    Summary

    Many patients allergic to balsam of Peru also react to common spices like clove, cinnamon, and Jamaica pepper. Women with hand eczema were most affected, with some showing reactions only after oral spice challenges.

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    Area of Science:

    • Dermatology
    • Allergology
    • Food Science

    Background:

    • Balsam of Peru allergy is common in patients with eczema.
    • Spice allergies can present similarly to other contact allergies.
    • Identifying specific spice triggers is crucial for managing allergic reactions.

    Purpose of the Study:

    • To investigate the prevalence of spice allergies in patients with known balsam of Peru allergy.
    • To identify specific spices that commonly elicit allergic reactions.
    • To compare epicutaneous and peroral challenge results for spice allergy diagnosis.

    Main Methods:

    • Epicutaneous patch testing with 9 common spices on 338 dermatological patients.
    • Specific focus on 118 patients with known balsam of Peru allergy.
    • Peroral challenge tests conducted on 71 balsam of Peru-allergic patients.

    Main Results:

    • 50 patients (out of 338) showed positive reactions to one or more spices; 48 of these were also allergic to balsam of Peru.
    • Clove, Jamaica pepper, and cinnamon (cassia) were the most frequent spice allergens.
    • Peroral challenge identified 7 cases with pompholyx and other symptoms, including 3 who had negative epicutaneous spice tests.

    Conclusions:

    • A significant overlap exists between balsam of Peru allergy and allergy to common spices.
    • Clove, Jamaica pepper, and cinnamon are key spice allergens to consider in balsam of Peru-sensitive patients.
    • Oral spice challenge may be necessary to diagnose certain spice allergies, especially in cases of hand eczema and pompholyx.

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