Diagnosis
Refers to any skin infection with pus aka impetigo; a cellulitis that goes from vesicular to crusted.ß
Epidemiologic Risks
Person to person; mostly a disease of children.
Microbiology
Group A streptococcus with or without (mostly) S. aureus.
Empiric Therapy
Oral penicillin if streptococcal; cephalexin or dicloxacillin if mixed staph/strep. In this increasing era of MRSA, po doxycycline may be more reliable. Local mileage will vary.
Topical mupirocin also is effective.
Last Update: 01/13/19.