PENICILLINS
1. Natural Penicillin
Benzyl Penicillin (Penicillin G)
2. Semisynthetic Penicillins
a. Acid resistant alternative to penicillin G
Phenoxymethyl penicillin (Penicillin V)
b. Penicillinase resistant penicillins
Methicillin
Cloxacillin
Dicloxacillin
c. Extended spectrum penicillins
Aminopenicillins:
Ampicillin
Bacampicillin
Amoxicillin
Carboxypenicillins:
Carbenicillin
Ticarcillin
Ureidopenicillins:
Piperacillin
Mezlocillin
3. β-lactamase inhibitors
Clavulanic acid
Sulbactam
Tazobactam
CEPHALOSPORINS
1. First generation
a. Parenteral
Cephalothin
Cefazolin
b. Oral
Cephalexin
Cephradine
Cefadroxil
2. Second generation
a. Parenteral
Cefuroxime
Cefoxitin
b. Oral
Cefaclor
Cefuroxime axetil
Cefprozil
3. Third generation
a. Parenteral
Cefotaxime
Ceftizoxime
Ceftriaxone
Ceftazidime
Cefoperazone
b. Oral
Cefixime
Cefpodoxime proxetil
Cefdinir
Ceftibuten
Ceftamet pivoxil
4. Fourth generation
Parenteral
Cefepime
Cefpirome
MONOBACTAM
Aztreonam
CARBAPENEMS
Imipenem-cilastatin
Meropenem
Faropenem
Doripenem
BETA-LACTAM ANTIBIOTICS – PENICILLINS, CEPHALOSPORINS, MONOBACTAM, CARBAPENEMS