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Related Experiment Videos

Mercurochrome allergy. Immediate and delayed hypersensitivity

P A Galindo1, F Feo, R García

  • 1Allergy Section, Complejo Hospitalario, Ciudad Real, Spain.

Allergy
|December 24, 1997
PubMed
Summary
This summary is machine-generated.

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Eight patients experienced Mercurochrome allergy, with two showing anaphylaxis and six developing eczema. Allergy testing revealed Mercurochrome and inorganic mercury compounds as common triggers for allergic reactions.

Area of Science:

  • Dermatology
  • Allergology
  • Toxicology

Background:

  • Mercurochrome, a topical antiseptic, is widely used.
  • Mercury compounds are known sensitizers.
  • Allergic reactions to antiseptics require careful diagnosis.

Observation:

  • Eight patients presented with suspected Mercurochrome allergy.
  • Diagnostic tests included patch and prick tests with various mercury compounds and sodium fluorescein.
  • Clinical presentations varied from immediate anaphylaxis to delayed eczematous reactions.

Findings:

  • Two patients experienced anaphylaxis following Mercurochrome application, with positive prick tests to Mercurochrome only.
  • Six patients developed local eczema, showing positive patch tests to Mercurochrome and inorganic mercury derivatives.

Related Experiment Videos

  • Late eczematous reactions were observed in four patients after prick testing with Mercurochrome.

    • Implications:

    • Mercurochrome is a significant allergen, capable of causing both immediate and delayed hypersensitivity reactions.
    • Inorganic mercury compounds should also be considered in cases of suspected Mercurochrome allergy.
    • Accurate diagnostic testing is crucial for identifying specific mercury compound allergies.