Active against Staphylococcus aureus (including methicillin-susceptible and -resistant strains), Streptococcus pyogenes, Streptococcus agalactiae, Streptococcus anginosus(including S. anginosus, S. intermedius, and S. constellatus), and Enterococcus faecalis(vancomycin-susceptible strains only).