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Related Experiment Videos

Contact dermatitis from polyvinyl chloride identification bands

R C Tung1, J S Taylor

  • 1Department of Dermatology, The Cleveland Clinic Foundation, Cleveland, OH, USA.

American Journal of Contact Dermatitis : Official Journal of the American Contact Dermatitis Society
|November 11, 1998
PubMed
Summary

Allergic contact dermatitis can be caused by polyvinyl chloride (PVC) identification bands due to unknown chemicals. Patch testing identified potential allergens, but further analysis may be needed for exact identification.

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Area of Science:

  • Dermatology
  • Allergology
  • Materials Science

Background:

  • Allergic contact dermatitis is a common skin reaction.
  • Polyvinyl chloride (PVC) is widely used in medical devices, including identification bands.
  • Identifying the specific causative agents in materials can be challenging.

Observation:

  • A case of allergic contact dermatitis was reported in a patient using PVC identification bands.
  • Patch testing revealed positive reactions to three of four tested bands, resorcinol monobenzoate, and benzoyl peroxide.
  • Manufacturers could not confirm the presence of resorcinol monobenzoate and benzoyl peroxide in their products.

Findings:

  • The patient's reaction was confirmed as allergic contact dermatitis.
  • The exact chemical(s) responsible for the allergy remain unidentified.

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  • Additives in PVC bands are potentially leachable and can cause contact sensitization.

    • Implications:

    • Unknown chemicals in PVC identification bands pose a risk of allergic reactions.
    • Standard patch testing may not be sufficient for identifying all allergens in complex materials.
    • Specialized chemical analysis is crucial for precise allergen identification in contact dermatitis cases related to medical devices.