Gram positive

•  Streptococci

•  Usually MSSA (caution, resistance may develop quickly on therapy)

•  Some Enterococcus faecalis

Gram negative

•  SomeEnterobacteriaceae

•  Moraxella

•  Haemophilus influenzae

•  Legionella

•  Pasteurella

Anaerobes

•  many

Other

•  Mycoplasma

•  Chlamydophila

Variable activity

•  Bacteroides fragilis group (national susceptibility estimated ~30-60% depending on subspecies)

Does not cover

•  Some Staph aureus including MRSA

•  Pseudomonas