Necrotizing fasciitis/myositis in Paediatrics
- Use of IV immune globulin (1g/kg/day x 2 days) could be considered if streptococcal toxic shock also present.
- Invasive Group A Streptococci is reportable to Public Health.
- Prophylaxis of contacts of invasive Group A Streptococci is recommended by most Public Health experts. See Prophylaxis for Contacts of Communicable Diseases.
S. pyogenes (Group A Strep)
Therapy |
Dose |
Duration |
Penicillin |
300,000 units/kg/d IV div q4h |
minimum 10 days |
+ |
|
|
Clindamycin |
40mg/kg/d IV div q8h |
Continue until hemodynamically stable and initial debridement complete (1-3 days) |
S. agalactiae (Group B Strep)
Group C, G Strep
S. pneumoniae
Pen MIC ≤0.12µg/mL
Therapy |
Dose |
Duration |
Penicillin |
300,000 units/kg/d IV div q4h |
minimum 10 days |
+ |
|
|
Clindamycin |
40mg/kg/d IV div q8h |
Continue until hemodynamically stable and initial debridement complete (1-3 days) |
Pen MIC >0.12µg/mL
Therapy |
Dose |
Duration |
Ceftriaxone |
100mg/kg IV q24h |
minimum 10 days |
+ |
|
|
Clindamycin |
40mg/kg/d IV div q8h |
Continue until hemodynamically stable and initial debridement complete (1-3 days) |
Methicillin-susceptible S. aureus (MSSA)
Therapy |
Dose |
Duration |
Cloxacillin |
200mg/kg/d IV div q4h |
minimum 10 days |
+ |
|
|
Clindamycin |
40mg/kg/d IV div q8h |
Continue until hemodynamically stable and initial debridement complete (1-3 days) |
MRSA
Alternative