Impetigo: Difference between revisions
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**Typical causative organisms are ''Staphylococcus. aureus or Streptococcus pyogenes'' | **Typical causative organisms are ''Staphylococcus. aureus or Streptococcus pyogenes'' | ||
*Fever and systemic signs are uncommon | *Fever and systemic signs are uncommon | ||
*Postinfectious Glomerulonephritis is a possible complication | |||
==Diagnosis== | ==Diagnosis== | ||
Revision as of 00:17, 24 February 2015
Background
- Superficial epidermal infection characterized by amber crusts (nonbullous) or vesicles (bullous)
- May be super-infection or primary infection
- Typical causative organisms are Staphylococcus. aureus or Streptococcus pyogenes
- Fever and systemic signs are uncommon
- Postinfectious Glomerulonephritis is a possible complication
Diagnosis
- Nonbullous
- Erythematous macules/papules develop into vesicles which become pustular and rupture
- As rupture release yellow fluid which dries to form stratified golden crust
- Erythematous macules/papules develop into vesicles which become pustular and rupture
- Bullous
- Bullae form as result of staph toxin
- Some cases caused by MRSA
Impetigo honey-colored scab
Treatment
- Topical abx
- Mupirocin ointment 2% TID x 7-14d
- Oral abx
- Consider for large areas or if topical tx is impractical or for bullous impetigo
- Clindamycin 24mg/kg/d in 3 doses x7-10d
Source
Tintinalli