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Nonbullous impetigo in Child
Other Resources UpToDate PubMed

Nonbullous impetigo in Child

Contributors: Molly Plovanich MD, Catherine J. Wang, Susan Burgin MD
Other Resources UpToDate PubMed

Synopsis

Non-bullous impetigo is a superficial skin infection commonly seen in children and teenagers. It is caused by Staphylococcus aureus or Group A streptococcus (Streptococcus pyogenes). Constitutional symptoms and fever are minimal. Minor trauma, such as insect bites or abrasions, can predispose to infection. Additional predisposing factors include a warm humid climate, atopic dermatitis, and participation in contact sports.

Although methicillin-resistant S. aureus (MRSA) infection of the skin usually presents as recurrent furunculosis or skin abscesses, MRSA has been shown to cause impetigo. Culture and sensitivities should always be performed in patients with lesions suspicious for cutaneous infection, and empiric coverage for MRSA should be instituted if clinical suspicion is high.

Codes

ICD10CM:
L01.01 – Non-bullous impetigo

SNOMEDCT:
238374001 – Non-bullous impetigo

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Diagnostic Pearls

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Differential Diagnosis & Pitfalls

A diagnosis of non-bullous impetigo is often mistakenly disregarded due to the lack of inflammation or induration.
  • Arthropod bite or sting
  • Allergic contact dermatitis
  • Pediculosis capitis
  • Seborrheic dermatitis
  • Scabies
  • Psoriasis
  • Tinea capitis
  • Tinea corporis
  • Poison ivy, oak, sumac dermatitis
  • Herpes simplex virus (HSV)
  • Burns (see Thermal or electrical burn, Burn marks of child abuse)
  • Drug eruption general overview
  • Varicella
  • Subcorneal pustular dermatosis
  • Pemphigus foliaceus

Best Tests

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Management Pearls

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Therapy

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References

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Last Reviewed:07/27/2017
Last Updated:06/14/2018
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Patient Information for Nonbullous impetigo in Child
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Nonbullous impetigo in Child
A medical illustration showing key findings of Nonbullous impetigo : Skin erosion, Yellow color
Clinical image of Nonbullous impetigo - imageId=277147. Click to open in gallery.  caption: 'Numerous discrete and confluent, honey-colored crusts, some hemorrhagic crusts, and surrounding erythema on and around the lips.'
Numerous discrete and confluent, honey-colored crusts, some hemorrhagic crusts, and surrounding erythema on and around the lips.
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