| gut | schlecht | ||
| ß-Laktame | MRSA, intrazelluläre Bakterien, Mykoplasmen | ||
| Penicilline | |||
| Penicillin G | Streptokokken, Treponema pallidum, Neisseria meningitidis, Anaerobier (50%) | Staphylokokken, gram-negative außer Neisseria meningitidis,Moraxella catarrhalis | |
| Ampicillin | Enterobakterien, Enterokokken, Listerien | wie Penicillin | |
| Piperacillin | Enterobakterien, Pseudomonas | Staphylokokken | |
| Oxacillin | Staphylokokken | MRSA | |
| Penicilline/ß-Laktamase-Inhibitoren | |||
| Ampicillin/Sulbactam | wie Ampicillin, plus Moraxella, Haemophilus | ||
| Amoxicillin/Clavulansäure | |||
| Cephalosporine | Enterokokken, Listerien, Anaerobier | ||
| Cefazolin | einige Enterobakterien, Staphylokokken, Streptokokken | Enterobakterien, Pseudomonas, Haemophilus | |
| Cefuroxim | einige Enterobakterien, Staphylokokken, Streptokokken, Haemophilus | ||
| Cefotaxim | Enterobacterien, Pneumonkokken | ||
| Ceftazidim | wie Cefotaxim plus Enterobakterien minus Pneumokokken | ||
| Carbapeneme | |||
| Imipenem | Enterobakterien, Enterococcus faecalis, Pseudomonas | Enterococcus faecium, Stenotrophomonas maltophilia | |
| Meropenem | Enterobacterien, Pseudomonas | Enterokokken | |
| rel. gut | rel. schlecht | ||
| Makrolide | |||
| Erythromycin | grampositive Bakterien | Enterobakterien, Haemophilus | |
| Clarithromycin | grampositive Bakterien und MOTT | Enterobakterien, Haemophilus | |
| Lincosamide | |||
| Clindamycin | grampositive Bakterien, Anaerobier | Enterobakterien, Enterokokken | |
| Tetracyclin | |||
| Doxycyclin | Chlamydien, Rickettsien, Mykoplasmen,Brucella, Borrelia | alle anderen rel. schlecht | |
| Oxazolidinone | |||
| Linezolid | grampositive Bakterien auch MRSA VRE | gramnegative Bakterien | |
| Aminogycoside | |||
| Gentamicin | nur Kombinationspartner | Anaerobier | |
| Tobramycin | |||
| Amikacin | |||
| Penicillin | Ampicillin | Oxacillin | Erythromycin | Clindamycin | Streptogramin | Gentamicin | ||
| S. aureus | ||||||||
| wild | S | S | S | S | S | S | S | |
| ß-Laktamase | R | R | S | |||||
| mecA | R | R | R | |||||
| ermA/C | R | R | R/S | |||||
| msrA | R | S | S | |||||
| AAC-APH | R | |||||||
| Streptokokken | ||||||||
| wild | S | S | S | S | S | |||
| mefA | R | S | ||||||
| emrB | R | R | ||||||
| S. pneumoniae | ||||||||
| wild | S | S | S | S | S | |||
| mut. PBP | R/S | R/S | ||||||
| mefA | S | R | S | |||||
| ermB | R | R | R | |||||
| Enterokokken | ||||||||
| E. faecalis | wild | S | S | R | R | R/S | ||
| AAC-APH | R | |||||||
| E. faecium | wild | S | R | R | S | R/S | ||
| mecA | Methicillin-Resistenzgen | |||||||
| ermA/B/C | Erythromycin ribosomale Methylase | |||||||
| msrA | Makrolid-Exportergen | |||||||
| AAC-APH | kombiniertes Aminoglycosid-Resistenzgen bei Staphylokokken und Enterokokken | |||||||
| Resistenzmechanismus | ||||||
| ermA/B/C | mefA | ß:lactamase | ESBL | MecA | AmpC | |
| Resistenz-Phänotyp | ||||||
| Erythromycin | R | R | ||||
| Clarithromycin | R | R | ||||
| Clindamycin | R | S | ||||
| Streptomycin | R | S | ||||
| ß-Laktame | ||||||
| Penicillin | R | R | ||||
| Ampicillin | R | R | R | R | ||
| Piperacillin | R | R | R | R | ||
| Oxacillin | S | R | ||||
| Cefazolin | S | R | R | R | ||
| Cefotaxim | S | R | R | R | ||
| Ceftazidim | S | R | R | R | ||
| Imipenem | S | S | R | S | ||