DRESS Syndrome

Drug Rash with Eosinophilia and Systemic Symptoms

Formerly called Hypersensitivity Syndrome (HSS)

Typically presents with rash and fever (87%), classically erythematous follicular papules and pustules, but may also include bullae or purpura.

Other severe systemic manifestations such as hepatitis (51%), arthralgias, lymphadenopathy (75%), interstitial nephritis (11%), or hematologic abnormalities (30%).

Common Culprits

  • Carbamazepine
  • Phenytoin
  • phenobarbital
  • sulfonamides
  • Dapsone
  • metronidazole
  • minocycline

Clinical Course and Management

  • Usually occurs 2-6 weeks after initiation of the medication, which is later than most drug eruptions.
  • Treatment is supportive.
  • Medication should be stopped as soon as the diagnosis is suspected.
  • Severity is dependent upon the amount of time the drug is continued after hypersensitivity occurs.
  • Corticosteroids have been required in some cases

Visual Examples

DermNetNZ.org