II. Epidemiology
- Represents 10-30% of Impetigo cases
- Affects infants (esp. newborns) and young children
- Less contagious than NonBullous Impetigo
- Most common cause of ulcerative buttock rash in infants
III. Pathophysiology
- Unlike NonBullous Impetigo, Bullous Impetigo is caused only by staphyococcus aureus
- Staphylococcal toxin-mediated reaction
- Staphylococcal Infection with Phage Group 2
- Local variant of Staphylococcal Scalded Skin Syndrome
V. Signs
- Distribution
- Intertriginous areas (diaper, axilla, neck)
- Characteritics
- Pathognomonic Signs (Collarette Sign)
- Collar of scale forms around ruptured Blister roof
VI. Differential Diagnosis
- Common
- Contact Dermatitis
- Herpes Simplex Virus
- Varicella
- Insect Bites
- Burn Injury (e.g. Cigarette burns)
- Uncommon
- Bullous variants of other conditions
- Stevens-Johnson Syndrome
- Bullous Pemphigoid
- Pemphigous vulgaris
- Dermatitis Herpetiformis
VII. Management
- See Impetigo
VIII. Course
- Self-limited, non-scarring
- Resolves within 2-3 weeks
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Related Studies
Concepts | Disease or Syndrome (T047) |
ICD10 | L01.03 |
SnomedCT | 359754006, 200703007, 367404007, 12318008, 399183005 |
English | Bullous impetigo, bullous impetigo, bullous impetigo (diagnosis), impetigo bullosa, impetigo bullous, Bullous impetigo (disorder), Impetigo bullosa, Impetigo contagiosa bullosa, Impetigo bullosa (disorder), bullous; impetigo, impetigo; bullosa, Bullous impetigo [Ambiguous], Impetigo bullosa (disorder) [Ambiguous], Impetigo contagiosa of any site and any organism, bullous, Impetigo contagiosa, bullous, Impetigo, bullous |
Italian | Impetigine bollosa |
Dutch | impetigo bullosa, bulleus; impetigo, impetigo; bulleus, bulleuze impetigo |
German | Impetigo bullosa, bulloese Impetigo |
Portuguese | Impetigo bulhoso, Impetigo bolhoso |
Spanish | Impétigo ampolloso, impétigo ampollar (trastorno), impétigo ampollar, impétigo ampollar contagioso, impétigo ampollar (concepto no activo), impétigo bulloso (trastorno), impétigo bulloso, Impétigo bulloso |
Japanese | 水疱性膿痂疹, スイホウセイノウカシン |
Czech | Bulózní impetigo |
Hungarian | Impetigo bullosa, bullosus impetigo |
French | Impétigo bulleux |