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Contact dermatitis from chrysanthemums in India.

S C Sharma1, R C Tanwar, S Kaur

  • 1Department of Dermatology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.

Contact Dermatitis
|August 1, 1989
PubMed
Summary

Chrysanthemum morifolium can cause allergic contact dermatitis in patients, often with seasonal patterns and sun sensitivity. Patch testing confirmed plant parts, especially flowers and leaves, as common allergens.

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Area of Science:

  • Dermatology
  • Allergology
  • Botany

Background:

  • Contact dermatitis is a common skin condition.
  • Chrysanthemum morifolium (chrysanthemum) is a widely distributed plant.
  • Plant-induced allergic contact dermatitis requires thorough investigation.

Purpose of the Study:

  • To investigate allergic contact dermatitis caused by Chrysanthemum morifolium.
  • To identify clinical presentations and aggravating factors.
  • To determine the allergenic potential of different plant parts.

Main Methods:

  • Retrospective analysis of 32 patients with suspected chrysanthemum allergy.
  • Clinical assessment including history of exposure, seasonal variation, and photosensitivity.
  • Patch testing with ethanolic extracts of chrysanthemum flowers, leaves, whole plant, and stems.

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Main Results:

  • 32 patients (24 male, 8 female) diagnosed with chrysanthemum contact dermatitis.
  • 75% reported seasonal variation; 50% reported photoaggravation/photosensitivity.
  • Positive patch tests were highest for flowers (32/32), followed by leaves (30/32) and whole plant (28/32).

Conclusions:

  • Chrysanthemum morifolium is a significant cause of allergic contact dermatitis.
  • Seasonal variation and photosensitivity are common in affected individuals.
  • Flowers and leaves are the primary sources of allergens in Chrysanthemum morifolium.