How is cellulitis associated with bite wounds treated?

Updated: Jun 14, 2019
  • Author: Thomas E Herchline, MD; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

CA-MRSA is not commonly associated with bite wounds. Cellulitis associated with mammalian bite wounds is often polymicrobial and should be treated empirically with antimicrobials that target anaerobic bacteria in addition to the common cellulitis pathogens, as described below:

  • Mild cases can be treated on an outpatient basis with amoxicillin-clavulanate; in patients with penicillin allergy, combination therapy is usually required; fluoroquinolone plus clindamycin or trimethoprim-sulfamethoxazole (TMP-SMX) plus metronidazole would be reasonable alternatives

  • Inpatients can be treated with ampicillin-sulbactam or piperacillin-tazobactam; alternative agents in patients with penicillin allergy would be the same as the above but in parenteral form


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