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Pathogens
Antimicrobials
Vibrio vulnificus
Gram-negative organisms
Ceftriaxone 1 g IV q24h
AND
Doxycycline 100 mg PO BID
Consider expanding coverage
Gram-negative cellulitis is exceedingly rare in other patient populations and routine Gram-negative coverage is unnecessary.
Streamline coverage once Gram-negative organisms are ruled-out or causative agent is identified.