II. Risk Factors

  1. Similar to risks associated with Intertrigo

III. Symptoms

  1. Usually asymptomatic
  2. May be pruritic in some cases

IV. Signs

  1. Small red-brown Macules (may form larger patches)
  2. Distribution in intertriginous areas
    1. Interdigital web spaces
    2. Gluteal crease
    3. Inguinal area
    4. Axilla
    5. Inframammary

V. Diagnosis

  1. Wood's Lamp: Fluoresces coral red
  2. Gram Stain: Gram Positive rod with long filaments

VI. Differential Diagnosis

VII. Managment

  1. Antibiotics
    1. Erythromycin 250 mg orally qid for 5 days
    2. Clarithromycin 1 gram orally for 1 dose
  2. Topical Antifungal agents with activity in Erythrasma
    1. Miconazole
    2. Clotrimazole
    3. Econazole
  3. Treat coexisting fungal infection (see Intertrigo)
  4. Adjunctive topical agents
    1. Cleocin-T or Erythromycin gel
    2. Whitfield's Ointment
    3. Sodium fusidate ointment
    4. Antibacterial soap
    5. Chlorhexidine (Hibiclens)

VIII. Prevention

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