If severe/acute onset, consider adding cloxacillin 40-50mg/kg/d PO div qid to cover methicillin-susceptible S. aureus or TMP/SMX 8-12mg/kg/d PO div bid to cover methicillin-resistant S. aureus.
If severe/acute onset, consider adding cloxacillin 40-50mg/kg/d PO div qid to cover methicillin-susceptible S. aureus or TMP/SMX 8-12mg/kg/d PO div bid to cover methicillin-resistant S. aureus.