Differential diagnosis

  • Allergic contact dermatitis

  • Irritant contact dermatitis
  • Seborrheic dermatitis
  • Nummular eczema
  • Dermatophytosis e.g. tinea corporis
  • Scabies
  • Molluscum contagiosum with dermatitis
  • Psoriasis
  • Mycosis fungoides
  • Acrodermatitis enteropathica
  • Immunodeficiency syndromes with dermatitis: Wiskott-Aldrich syndrome, Hyperimmunoglobulin E syndrome, IPEX, Omenn, and others