General Spectrum of Activity

Gram positive: Generally poor

Gram negative: Pseudomonas, Enterbacteriaciae, Moraxella, Haemophilus

Anaerobic: Prevotella, non-difficile Clostridia, Peptostreptococci

Does not cover: Poor for gram positives including Staphylococci and Enterococci, ESBL and inducible beta-lactamase producing organisms, Stenotrophomonas, atypicals, most anaerobes