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[Ficus benjamina allergy]

R Brehler1, U Theissen

  • 1Zentrum für Dermatologie und Venerologie, Westfälischen Wilhelms-Universität, Münster.

Der Hautarzt; Zeitschrift Fur Dermatologie, Venerologie, Und Verwandte Gebiete
|October 1, 1996
PubMed
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Weeping fig (Ficus benjamina) can cause asthma and conjunctivitis due to immediate allergic reactions. Simultaneous sensitization to weeping fig and latex suggests potential cross-reactivity in allergic patients.

Area of Science:

  • Allergy and Immunology
  • Environmental Allergens
  • Clinical Medicine

Background:

  • Immediate-type allergies can be triggered by common indoor plants like weeping fig (Ficus benjamina).
  • Identifying specific allergens and cross-reactivity is crucial for managing allergic respiratory and ocular conditions.

Observation:

  • A 48-year-old patient presented with asthma and conjunctivitis attributed to weeping fig allergy.
  • Specific IgE antibodies to Ficus benjamina allergens were detected via RAST inhibition, but oral fig provocation was tolerated.
  • No sensitization to latex proteins, often cross-reactive with Ficus species, was found in this patient.

Findings:

  • Ficus benjamina allergens are significant indoor allergens, though standardized extracts for testing are unavailable.

Related Experiment Videos

  • Allergen-specific IgE to weeping fig is often associated with positive skin tests using the tree's sap.
  • Co-sensitization to weeping fig occurred in 12 out of 64 latex-allergic patients.

    • Implications:

    • Weeping fig should be considered a relevant indoor allergen contributing to allergic diseases.
    • Cross-sensitization between latex and Ficus species warrants consideration in patients with IgE-mediated sensitization to latex.
    • Further research into Ficus benjamina allergens and standardized testing methods is needed for improved clinical management.