title: Antibiotic sensitivity and synergism of 'penicillin-tolerant' Staphylococcus aureus.
abstract: 15 Staphylococcus aureus strains were isolated from 15 patients with staphylococcal bacteremia. Eight of these strains were shown to be tolerant for cloxacillin. Cloxacillin-tolerant strains were also tolerant for most of the cephalosporins tested except for cephapirin. Strains were not tolerant for clindamycin and gentamicin. Penicillin-tolerant staphylococci showed a high degree of synergism between gentamicin and cloxacillin or cephalothin and gentamicin.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D002511:Cephalosporins / Q000494:pharmacology; D002981:Clindamycin / Q000494:pharmacology; D003023:Cloxacillin / Q000494:pharmacology; D004357:Drug Synergism; D005839:Gentamicins / Q000494:pharmacology; D008826:Microbial Sensitivity Tests; D010403:Penicillin Resistance; D010406:Penicillins / Q000494:pharmacology; D013211:Staphylococcus aureus / Q000187:drug effects*
chemical_list: D000900:Anti-Bacterial Agents; D002511:Cephalosporins; D005839:Gentamicins; D010406:Penicillins; D002981:Clindamycin; D003023:Cloxacillin