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Acute generalized exanthematous pustulosis due to oral use of blue dyes

Osman Sener1, Ösman Kose, Özgür Kartal

  • 1Division of Allergy, Department of Internal Medicine, Gülhane Military Medical Academy and Medical School, Ankara, Turkey.

The Korean Journal of Internal Medicine
|October 22, 2011
PubMed

Insights

Acute generalized exanthematous pustulosis (AGEP) is a severe skin reaction. This case highlights methylene blue and indigotin dyes as rare but possible triggers for AGEP, distinct from common antibacterial drug causes.

Area of Science:

  • Dermatology
  • Toxicology
  • Pharmacology

Background:

  • Acute generalized exanthematous pustulosis (AGEP) is a severe cutaneous adverse reaction.
  • It presents with fever and widespread non-follicular pustules on erythematous skin.
  • Antibacterial drugs are the most common causative agents.

Observation:

  • This report details a rare case of AGEP.
  • The patient developed AGEP following exposure to methylene blue and indigotin dyes.
  • The clinical presentation included fever and a pustular rash.

Findings:

  • Methylene blue and indigotin dyes were identified as the causative agents.
  • This expands the known spectrum of triggers for AGEP beyond typical antibacterial medications.
  • Histological findings confirmed the diagnosis of AGEP.

Implications:

  • Clinicians should consider dyes as potential triggers for AGEP.
  • Awareness of non-antibiotic causes is crucial for accurate diagnosis and management.
  • Further research may elucidate the mechanisms of dye-induced AGEP.
Keywords:
Drug eruptionsIndigoferaMethylene blue

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