1. Classification of antibiotics.
| Penicillins | |||
| Natural penicillins | |||
| Penicillinase‐resistant penicillin | Cloxacillin | Extended spectrum of activity compared with natural penicillin | |
| Aminopenicillins | Ampicillin | ||
| Extended‐spectrum penicillins | Ticarcillin, pipericillin, carbenicillin, mezlocillin | ||
| Beta‐lactamase inhibitor combination | Sulbactam Augmentin |
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| Cephalosporins | |||
| 1st generation | Cefazolin | ||
| 2nd generation | Cefamandole, cefuroxime | ||
| Cefamycins (2nd generation) | Cefoxitin, cefotetan | ||
| 3rd generation | |||
| 4th generation | |||
| Carbapenems and monobactams | |||
| Tetracyclines | |||
| Macrolides | |||
| Aminoglycosides | Gentamicin | ||
| Lincosamides | Clindamycin, lincomycin | ||
| Nitroimidazole | Metronidazole | ||
| Fluoroquinolones | |||
| Trimethoprim‐sulfamethoxazole | |||
| Aminoglycoside containing combination | |||
| Other antibiotic combination | |||
| Other regimens |