Natural Penicillins ǁ Antistaphylococcal Penicillins ǁ Aminopenicillins ǁ Antipseudomonal Penicillins ǁ Carbapenems ǁ Monobactam Cephalosporins – 1st Generation ǁ Cephalosporins – 2nd Generation ǁ Cephalosporins – 3rd and 4th Generation ǁ Aminoglycosides ǁ Fluoroquinolones Tetracyclines ǁ Macrolides ǁ Ketolide ǁ Lincosamides ǁ Glycylcycline ǁ Glycopeptides ǁ Polymyxins and Colistin ǁ Rifamycin Antifolates ǁ Fusidanes ǁ Oxazolidinones ǁ Nitroimidazoles ǁ Streptogramins ǁ Topical Antibacterials ǁ Urinary Tract Agents Antimycobacterial Agents ǁ Antifungal Agents ǁ Antiviral Agents ǁ Antiretroviral Agents ǁ Antiparasitic Agents