Acute generalized exanthematous pustulosis

Revision as of 02:26, 27 November 2019 by Rossdonaldson1 (talk | contribs) (Differential Diagnosis)


  • T-cell mediated rash with systemic features
  • >90% of cases attributable to a medication (usually an antibiotic)
  • Mortality rate of ~5%

Clinical Features

Acute generalized exanthematous pustulosis
  • Onset 1-5 days after starting causative medication
  • Rash:
    • Large areas of edematous erythema with numerous small, non-follicular pustules
    • Predominantly affects main body folds and upper trunk, but can involve face
    • NO mucous membrane involvement (in contrast to SJS/TEN)
  • Systemic findings:

Differential Diagnosis

Erythematous rash


  • Clinical diagnosis
  • CBC
  • BMP
  • LFTs


  • Stop inciting agent
  • IVF- treat similar to fluid resuscitation in burns
  • Wound care, infection control


  • Admit

See Also

External Links