Gram positive:
- Staphylococcus including many MRSA (should NOT be used for MSSA or MRSA bloodstream infections)
- Streptococcus pneumoniae
Gram negative:
- M. catarrhalis
- H. influenzae
Oral anaerobes:
- Actinomyces
- Prevotella
- Clostridia spp. (not C. difficile)
- Peptostreptococci
Others:
- Borrelia burgdorferi (Lyme)
- Syphilis (2nd line)
- Q-fever
- Mycoplasma
- Chlamydophila
- Rickettsia