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Phytophotodermatitis.

A G Bowers1

  • 1University of Texas Southwestern Medical Center, Dallas, TX, USA.

American Journal of Contact Dermatitis : Official Journal of the American Contact Dermatitis Society
|June 5, 1999
PubMed
Summary

Phytophotodermatitis is a skin reaction caused by plants and sun exposure. This review covers its causes, symptoms, and treatments, including common plant families and St. John's Wort.

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Area of Science:

  • Dermatology
  • Botany
  • Toxicology

Background:

  • Phytophotodermatitis is a phototoxic reaction triggered by plant compounds and ultraviolet radiation.
  • Commonly implicated plant families include Umbelliferae, Rutaceae, and Moraceae.
  • Emerging plant culprits like St. John's Wort are increasingly recognized.

Purpose of the Study:

  • To provide a concise review of phytophotodermatitis.
  • To elucidate the underlying mechanisms, clinical presentations, and therapeutic strategies.
  • To highlight key plant families associated with this condition.

Main Methods:

  • Literature review of phytophotodermatitis.
  • Analysis of clinical features and etiological factors.
  • Summary of current treatment modalities.

Main Results:

  • Detailed description of the mechanism involving photosensitizing furanocoumarins.
  • Characteristic clinical manifestations such as erythema, edema, and hyperpigmentation.
  • Discussion of management including avoidance, topical corticosteroids, and photoprotection.

Conclusions:

  • Phytophotodermatitis necessitates accurate diagnosis based on clinical presentation and exposure history.
  • Understanding the specific plant culprits is crucial for effective prevention and treatment.
  • Awareness of St. John's Wort as a potential cause is important for clinicians.

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