Cephalosporins or extended-spectrum penicillins are commonly used (eg, cephalexin, 0.5 g orally four times daily for 7–10 days; see Table 35–6). Trimethoprim-sulfamethoxazole (two double-strength tablets orally twice daily for 7–10 days) should be considered when there is concern that the pathogen is MRSA (see Tables 35–5 and 35–6). Vancomycin, 15 mg/kg intravenously every 12 hours, is used for patients with signs of a systemic inflammatory response.
cephalexin, dicloxacillin, penicillin VK, amoxicillin/clavulanate, or clindamycin (for penicillin-allergic patients). [1-2] These beta-lactam antibiotics provide excellent coverage against streptococci and methicillin-susceptible S. aureus (MSSA