Drugs P. aeruginosa(MIC μg/ml) Without adjuvant CH1 CH2 Ceftazidime 512-1024 128-256 256-512 Tobramycin 256-512 64-128 128-256 Amikacin 64-128 16-32 32-64 Gentamicin 256-512 64-128 128-256 Ceftazidime + Amikacin 128-256 32-64 64-128 Tobracef 16-32 8 to16 8 to 16

Table 1: MICs for antibacterial agents against P. aeruginosa clinical isolates.