Types with Common Indications

Natural Penicillins (Penicillin G and Penicillin V)

Anti-Staphylococcal (Penicilinase-Resistant) Penicillins

Nafcillin, oxacillin, dicloxacillin

  • Agents of 1st choice for treatment of S. aureus and S. epidermidis that are not methicillin-reistant

Amino (Expanded-Spectrum) Penicillins

Ampicillin, amoxicillin (+ clavulanate)

  • Upper Respiratory Infections (due to S. pyogenes, S. pneumoniae, H. influenzae)
  • Listeria

Antipseudomonal Penicillins


  • Infection following burns
  • Neutropenia

See Also


Goodman & Gilman's Pharmacology