Gram positive

• MSSA

• Susceptible MRSA

• Group A,B,C,G Streptococci (but increasing resistance)

• Viridans Streptococci

Gram negatives

• Essentially no aerobic gram negative coverage

Anaerobes

• Increasing resistance in Bacteroides fragilis

• Covers many oral anaerobes

Other

• Pneumocyctis jiroveci

• Malaria

• Toxoplasma

Does not cover

• Almost all aerobic gram negatives

• Enterococci