Penicillins Antibiotics Class Overview 1. Penicillin G (IV) or V (PO) 2. Aminopenicillins - Ampicillin (IV), Amoxicillin (PO) 3. Anti-Staphylococcal Penicillins - Methicillin / Nafcillin / Oxacillin (IV), Dicloxacillin (PO) 4. Anti-pseudomonal PCNs - Piperacillin, Ticarcillin #Pharmacology #Review #Overview #Penicillins #PCN #Ampicillin #Amoxicillin #Methicillin #Nafcillin #Oxacillin