ceftazidime Ceftazidim CAZ antibiotic_resistance caftazidime Tazicef Tazidime ARO:0000060 Ceftazidime is a third-generation cephalosporin antibiotic. Like other third-generation cephalosporins, it has broad spectrum activity against Gram-positive and Gram-negative bacteria. Unlike most third-generation agents, it is active against Pseudomonas aeruginosa, however it has weaker activity against Gram-positive microorganisms and is not used for such infections. Fortaz ChEMBL:CHEMBL44354 PubChem:5481173 ceftazidima Ceptaz Pentacef ChEBI:3508 CAS:72558-82-8 ceftazidimum third-generation cephalosporin