Last reviewed: November 2017
Last updated: November  2017

Summary

Differentials

Common

  • Impetigo
  • Folliculitis caused by Pseudomonas
  • Folliculitis caused by Staphylococcus aureus
  • Pityrosporum folliculitis
  • Herpes simplex virus
  • Dermatophytosis: tinea barbae
  • Dermatophytosis: tinea cruris
  • Dermatophytosis: tinea pedis
  • Dermatophytosis: tinea corporis
  • Acne vulgaris
  • Eosinophilic folliculitis (Ofuji's syndrome/disease)
  • Sub-corneal pustular dermatosis (Sneddon-Wilkinson's disease)
  • Infantile acropustulosis (IA)
  • Fire ant bites
  • Acrodermatitis continua (pustular acrodermatitis, acrodermatitis continua suppurativa Hallopeau, dermatitis perstans, and dermatitis repens Crocker)
  • Pustular drug rash secondary to epidermal growth factor receptor (EGFR) inhibitors
  • Acute generalised exanthematous pustulosis (AGEP)
  • Generalised pustular psoriasis (von Zumbusch type)
  • Transient neonatal pustular melanosis
  • Pustulosis palmaris et plantaris (PPP)

Uncommon

  • Gram-negative folliculitis
  • Folliculitis caused by herpes and other viruses
  • Secondary syphilis
  • Infantile scabies
  • Candidal infection and disseminated candidiasis
  • Peri-oral dermatitis
  • Behcet's disease
  • Erythema toxicum neonatorum
  • Pseudofolliculitis barbae
  • Neonatal cephalic pustulosis (neonatal acne)
  • Miliaria rubra ('prickly heat')
  • Pustular rosacea
  • Reactive arthritis
  • Drug rash with eosinophilia and systemic symptoms (DRESS)
  • Corticosteroid-induced rosacea-like eruption/corticosteroid acne
  • Ulcerative or typical pyoderma gangrenosum
  • Atypical form of pyoderma gangrenosum (APG)
  • Orf
  • Amicrobial pustulosis of the folds (APF)
  • Erosive pustular dermatosis

Contributors

Authors VIEW ALL

Dermatologist

Texas Dermatology

Houston

TX

Disclosures

AA declares that she has no competing interests.

Peer reviewers VIEW ALL

Physician

Department of Dermatology

Kaiser Permanente Vallejo Medical Center

Vallejo

CA

Disclosures

PM declares that she has no competing interests.

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