Difference between revisions of "Impetigo"

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==Background==
 
==Background==
 
*Superficial infection caused by staph or strep
 
*Superficial infection caused by staph or strep
*May be superinfection or primary infection
+
*May be super-infection or primary infection
 
*Fever and systemic signs are uncommon
 
*Fever and systemic signs are uncommon
  
 
==Diagnosis==
 
==Diagnosis==
*Nonbullous
+
*Non-bullous
 
**Erythematous macules/papules develop into vesicles which become pustular and rupture
 
**Erythematous macules/papules develop into vesicles which become pustular and rupture
 
***As rupture release yellow fluid which dries to form stratified golden crust
 
***As rupture release yellow fluid which dries to form stratified golden crust
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**Cephalexin 40mg/kg/d divided in 3 doses x7-10d OR clinda 24mg/kg/d in 3 doses x7-10d
 
**Cephalexin 40mg/kg/d divided in 3 doses x7-10d OR clinda 24mg/kg/d in 3 doses x7-10d
  
--> cover MRSA if RF
+
==Source==
 +
Tintinalli
  
 
[[Category:Derm]]
 
[[Category:Derm]]
 
[[Category:ID]]
 
[[Category:ID]]

Revision as of 17:38, 6 November 2011

Background

  • Superficial infection caused by staph or strep
  • May be super-infection or primary infection
  • Fever and systemic signs are uncommon

Diagnosis

  • Non-bullous
    • Erythematous macules/papules develop into vesicles which become pustular and rupture
      • As rupture release yellow fluid which dries to form stratified golden crust
  • Bullous
    • Bullae form as result of staph toxin
    • Some cases caused by MRSA

Treatment

  • Mupirocin ointment 2% TID x 7-14d
  • Consider oral therapy for large areas or if topical tx is impractical
    • Cephalexin 40mg/kg/d divided in 3 doses x7-10d OR clinda 24mg/kg/d in 3 doses x7-10d

Source

Tintinalli