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Erythema multiforme due to pyrazinamide

D Perdu1, F Lavaud, A Prévost

  • 1Department of Respiratory Diseases and Allergology, University Hospital of Reims, France.

Allergy
|May 1, 1996
PubMed
Summary
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Pyrazinamide, used for tuberculosis, may cause erythema multiforme and urticaria. This drug-induced skin reaction, though rare, necessitates careful patient monitoring and potential drug withdrawal.

Area of Science:

  • Dermatology
  • Infectious Diseases
  • Clinical Pharmacology

Background:

  • Drug-induced erythema multiforme is a known adverse reaction to various medications.
  • Pyrazinamide is a key antibiotic in tuberculosis treatment, with known hepatic and dermatologic side effects.

Observation:

  • A patient developed erythema multiforme and urticaria following pyrazinamide administration for cutaneous tuberculosis.
  • Clinical presentation and drug challenge suggested pyrazinamide as the causative agent.

Findings:

  • This case represents the first reported instance of pyrazinamide-induced erythema multiforme.
  • Allergologic studies were negative, but circulating immune complexes were detected.

Implications:

Related Experiment Videos

  • Pyrazinamide should be considered a potential cause of erythema multiforme in patients with tuberculosis.
  • Definitive withdrawal of pyrazinamide is the recommended management strategy for this adverse reaction.