Dermal hypersensitivty reactions

Primary Care Dermatology Society - PCDS
Primary Care Dermatology Society (PCDS)
Publication date:
15 August 2019


A dermal hypersensitivity reaction is a recognised histopathological finding that clinically is usually associated with very itchy scattered red papules. The condition is poorly understood and when no underlying cause is identified it is sometimes referred to as the red itchy bump disease. The following areas are addressed:


  • Aetiology
  • History
  • Clinical findings
  • Images
  • Investigations
  • Management