Impetigo
Background
- Superficial infection caused by staph or strep
- May be superinfection or primary infection
- Fever and systemic signs are uncommon
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
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
--> cover MRSA if RF