B-lactam Antibiotics Flashcards
Natural Penicillin depository preparation
Benzathine Penicillin
Natural Penicillin oral formulation Poor g(-) activity
Penicillin VK
Natural Penicillin spectrum of activity
g(+)
Natural Penicillin spectrum of activity
g(+)
SSCLECO
Streptococci S. pneumoniae Corynebacterium Listeria Enterococcus Clostridium Oral anaerobes
Natural Penicillin spectrum of activity
g(-)
Natural Penicillin spectrum of activity
g(-)
Neisseria meningitidis
Haemophilus influenzae
Others:
Treponema (syphilis)
Leptospira
Narrow spectrum
No activity against g(-)
Anti-staphylococcal Penicillin
Anti-staphylococcal Penicillin
CONDOM
Cloxacillin Oxacillin Nafcillin Dicloxacillin Oxacillin Methicillin
Anti-staphylococcal Penicillin
g(+) spectrum of activity
Streptococci
Staphylococci
Resistant to CONDOM
MRSA: Methicillin-resistant Staphylococcus aureus
Anti-staphylococcal Penicillin PO (per orem)
Cloxacillin
Aminopenicillins
vs
HELPES
HELPES
*Haemophilus E. coli *Listeria Proteus *Enterococci Salmonella
Aminopenicillin per orem
Amoxicillin
Extended Spectrum Penicillins
more g(-) coverage
Carbenicillin
Ticarcillin
Piperacillin
Highest oral bioavailability
Penicillin VK
Cloxacillin
Amoxicillin
Highest urinary recovery
Penicillin G > Ticarcillin = Piperacillin
Similar to penicillins but more stable to many bacterial beta-lactamase (thus, broader spectrum activity)
Cephalosporins