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Methicillin-resistant Staphylococcus aureus (MRSA) has emerged as a common cause of skin and soft-tissue infections (SSTIs). Consequently, physicians often alter empirical antibiotic treatment for SSTIs, abandoning β-lactam antibiotics for agents that are more reliably active against MRSA. Does this practice result in fewer treatment failures?
To find out, investigators performed a retrospective case-control study at five pediatric primary care centers in a region where community-acquired MRSA accounts for >50% of SSTIs. They identified patients aged ≤21 years who presented with SSTIs between January 2004 and March 2007, comparing those whose treatment failed with those who were treated successfully and focusing on the empirical antibiotic p…