Gram positive
- Arcanobacter sp.
- C. diptheriae
- E. faecalis
- coag-negative Staphylococcus
- L. monocytogenes
- MSSA
- Staph. epidermidis, lugdunensis, saprophyticus & anginosus group
- Streptococcus groups A, B, C, F, G
- Strep. pneumoniae
Gram negative
- B. burdorferi
- Capnocytophaga
- E. coli if susceptible
- Eikenella sp.
- Haemophilus influenzae
- Kingella sp.
- Klebsiella oxytoca & pneumoniae
- Leptospira sp.
- M. catarrhalis
- P. multocida
- Proteus mirabilis & vulgaris
- Salmonella sp.
- Shigella sp.
Anaerobes
- Actinomyces sp.
- Bacteroides fragilis
- F. necrophorum
- non-difficile Clostridium sp.
- P. acnes
- P. melaninogenica
- Peptostreptococci