Antimicrobial therapy against Staphylococcus aureus, Pseudomonas aeruginosa, and Pseudomonas cepacia.

The aims of antimicrobial therapy extend beyond short-term bacterial killing to long-term maintenance of weight and lung function. A review of antimicrobial drug trials shows that empiricism is still ahead of science and more studies are needed both to justify current practice and to make future changes logical.