List of β-lactam antibiotics
This is a list of common β-lactam antibiotics—both administered drugs and those not in clinical use—organized by structural class. Antibiotics are listed alphabetically within their class or subclass by their nonproprietary name. If an antibiotic is a combination drug, both ingredients will be listed.Penams
Narrow-spectrum
β-lactamase-sensitive
β-lactamase-resistant
- Cloxacillin
- Dicloxacillin
- Flucloxacillin
- Methicillin
- Nafcillin
- Oxacillin
- Temocillin
Extended spectrum (Antipseudomonal)
- Mecillinam
- Piperacillin
- Carbenicillin
- Ticarcillin
Carboxypenicillins
Ureidopenicillins
- Azlocillin
- Mezlocillin
- Piperacillin
Cephems
- Cefazolin
- Cephalexin
- Cephalosporin C
- Cephalothin
- Cefapirin
With anti-''Haemophilus'' activity
- Cefaclor
- Cefamandole
- Cefuroxime
With anti-anaerobic activity
- Cefixime
- Cefotaxime
- Cefpodoxime
- Ceftazidime
- Ceftriaxone
- Cefdinir
Fifth generation* (broad spectrum)
- Biapenem
- Doripenem
- Ertapenem
- Faropenem
- Imipenem
- Meropenem
- Panipenem
- Razupenem
- Tebipenem
- Thienamycin
Monobactams
- Aztreonam
- Tigemonam
- Nocardicin A
- Tabtoxinine β-lactam
- Clavulanic acid
- Tazobactam
- Sulbactam
- Avibactam