Dr. Roger Seheult of http://www.medcram.com illustrates the key differences between the various types of penicillin antibiotic medications
TIME:
00:57 - Discovery and brief history of penicillin
01:44 - Penicillinase
02:00 - Semi-synthetic penicillins (methicillin, oxacillin, nafcillin)
03:21 - Need for gram negative antibiotic coverage (E-coli, pseudomonas, etc.)
04:26 - Aminopenicillins (ampicillin, amoxicillin)
04:49 - Extended spectrum penicillin (piperacillin, ticarcillin)
05:14 - Beta-lactamase
05:42 - Beta-lactamase inhibitors (ampicillin/sulbactam and amoxicillin/clavulanic acid
06:35 - Piperacillin/tazobactam
06:54 - Ticarcillin and clavulanate
08:18 - Staph aureus and mutations against penicillin (PCN)
08:42 - MRSA - methicillin-resistant staphylococcus aureus
09:14 - Clindamycin, trimethoprim and sulfamethoxazole, quinolones, vancomycin, daptomycin, and linezolid
10:13 - A note about cross-reactivity / low platelets
10:33 - MSSA and nafcillin