rtiiPseudomonas aeruginosaSerratia marcescensAnaerobic bacteriaBacteroides fragilisInherently Resistant StrainsAerobic Gram-positive bacteriaEnterococcus faecium# Methicillin-resistant S. aureus are very likely to possess co-resistance to fluoroquinolones, including levofloxacin.Go to top of the page5.2 Pharmacokinetic propertiesAbsorptionOrally administered levofloxacin is rapidly and almost comp