most strains were resistant to sulphamethoxazole , trimethoprim , penicillins and older cephalosporins , and most were susceptible to chloramphenicol , tetracycline , cotrimoxazole , the aminoglycosides , the newer cephalosporins , aztreonam , imipenem and the quinolones .
C0038689
sulphamethoxazole
C0041044
cotrimoxazole