Last reviewed: November 2017
Last updated: November  2017

Summary

Differentials

Common

  • Roseola infantum (sixth disease)
  • Erythema infectiosum (fifth disease)
  • Epstein-Barr virus infection
  • Atopic dermatitis
  • Seborrhoeic dermatitis
  • Irritant contact dermatitis
  • Pityriasis rosea
  • Impetigo
  • Tinea corporis
  • Scabies
  • Insect bites or stings
  • Child abuse
  • Cutaneous candidiasis
  • Cutaneous herpes simplex
  • Molluscum contagiosum

Uncommon

  • Varicella-zoster
  • Rubeola (measles)
  • Cytomegalovirus infection
  • Hepatitis B
  • Hepatitis C
  • HIV seroconversion
  • Rubella (German measles)
  • Hand-foot-and-mouth disease
  • Allergic contact dermatitis
  • Psoriasis
  • Mastocytosis
  • Folliculitis
  • Rocky Mountain spotted fever
  • Lyme disease
  • Simple drug eruption
  • Chemotherapy
  • Stevens-Johnson syndrome/toxic epidermal necrolysis
  • Drug reaction with eosinophilia and systemic symptoms (DRESS)
  • Erythema multiforme
  • Systemic hypersensitivity syndrome
  • Meningococcaemia
  • Scarlet fever
  • Staphylococcal scalded skin syndrome
  • Toxic shock syndrome
  • Syphilis
  • Gonorrhoea
  • Bacterial endocarditis
  • Food allergy
  • Leukaemia
  • Idiopathic thrombocytopenic purpura
  • Kawasaki disease
  • Juvenile arthritis
  • Henoch-Schonlein purpura
  • Systemic lupus erythematosus
  • Rheumatic fever
  • Sarcoidosis

Contributors

Authors VIEW ALL

Professor of Pediatrics

Indiana University School of Medicine

Riley Hospital for Children

Indianapolis

IN

Disclosures

PT declares that her spouse owns stocks in Eli Lilly and Company.

Peer reviewers VIEW ALL

Clinical Professor of Dermatology

Columbia University College of Physicians and Surgeons

New York City

NY

Disclosures

NS declares that she has no competing interests.

Professor in Pediatrics

Department of Pediatrics

National University Hospital

Singapore

Disclosures

HVB declares that he has no competing interests.

Associate Professor of Pediatrics

West Virginia University School of Medicine

Morgantown

WV

Disclosures

LN is an author of a reference cited in this monograph.

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