Penicillins
Ceftriaxone
Vancomycin
Gram positive cocci in chains, facultatively anaerobic, variable hemolysis
Normal oral/GI flora
Consists of S. mutans, S. mitis, S. salivarus, S. sanguinis, and S. anginosus group
Bacteremia
Dental infections
Endocarditis
Emergence of resistance on daptomycin therapy has been described