What are the treatment options if MRSA infection is suspected in patients with community-acquired pneumonia (CAP)?

Updated: Oct 31, 2019
  • Author: Stephanie L Baer, MD; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

Answer

If methicillin-resistant S aureus (MRSA) is suspected, vancomycin 15 mg/kg every 12 hours adjusted based on levels or linezolid 600 mg every 12 hours should be added. Risk factors for MRSA include hemoptysis, recent influenza, neutropenia, hemodialysis, and congestive heart failure. [4] During influenza season, it is also reasonable to start oseltamivir, zanamivir, peramivir, or baloxavir therapy to treat influenza in patients with MRSA CAP, as well as in patients who present with a flulike illness and pneumonia, as influenza may have preceded the MRSA infection.


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