Gram positive: Streptococci (except penicillin-resistant Streptococcus pneumoniae), Methicillinsusceptible S. aureus (MSSA), S. saphrophyticus

Gram negative: E. Coli, K. pneumoniae, P. mirabilis, H. influenzae (including beta-lactamaseproducing strains), M. catarrhalis

Anaerobic: Peptostreptococci INACTIVE against enterococci, methicillin-resistant staphylococci, Pseudomonas and Enterobacter species