Exanthematous Illness, Rashes and their causes

Exanthematous Illness

  • Exanthems – eruption of skin accompanied by inflammation.
  • Enanthems – eruption of mucous membrane.

Maculopapular rashes :


  • Measles
  • Rubella
  • Erythema Infectiosum
  • Roseola
  • Coxsackie
  • Echo virus
  • CMV and HBV
  • Erythema Multiforme due to Herpes virus, EBV, Adeno virus, Chlamydia, Salmonella, Mycobacteria, Histoplasma, Coccidiosis

Nodular rashes :

  • Fungal disease
  • Atypical Mycobacteria
  • Pseudomonas infection
  • Erythema Nodosum – Streptococcus, Mycobacteria, Yersinia, HCV, Sarcoidosis, Drugs and IBD

Diffuse erythematous with peeling or desquamation :

  • Scarlet fever
  • Toxic shock syndrome
  • Kawasaki disease(KD)
  • Staphylococcal Scalded Skin Syndrome(SSSS)
  • Steven-Johnson Syndrome

Vesicobullous rashes :

vesiculobullous rashes

  • Varicella
  • Herpes virus
  • Coxsackie
  • Enterovirus
  • Meningococcal
  • Group A Streptococcal
  • Pseudomonas

Petechial and Purpuric rashes :


  • Epstein-Barr virus(EBV)
  • ECHO virus-9
  • Cytomegalo virus(CMV)
  • Rickettsial
  • Malaria
  • Pneumococcal
  • Meningococcal
  • Listeria

One Response
  1. October 2, 2015

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