Pharm2Spectrum/PCN Flashcards
probenecid blocks tubular secretion/prolongs activity of ?
PCN, cephs
? and ? are resistant to cephs
listeria, c. diff
used synergistically with a/g (gentamicin)?
PCN, cephs
ceph- G1?
G + cocci, PEcK
ceph- G2?
subclass?
G + cocci, PEcK HiM
anaerobes (B. fragilis, C. perfringens)
ceph- G3?
G + cocci, PEcK HiM &
Neisseria g., Serratia, Citrobacter, Providencia
ceph- G4?
similar to G3 but better for Enterobacter
P. aeroginosa
ceph- G5?
similar to G2 plus Enterobacter&Citrobacter
MRSA, VRSA, VISA, VREF (enterococcus faecalis)
carbapenems
most ? beta lactams
resistant to most?
broad
beta lactamases
bacitracin spectrum of activity?
G + cocci and bacilli
vancomycin?
G + only
aztreonam (monobactam)
esp?
NO?
G - bacilli
G + *****
polymixin B bacteriocidal for ?
gram - bacilli (no G + activity)
sulfonamides bacteriostatic against ?
G + & -
FQ- G2?
G - activity
FQ- G3 & 4?
G - AND + (b/c of iso IV)
TCN- broadest spectrum Abx! ….
aerobic AND anaerobic G- and G+
A/G ?
severe infix from G- bacilli
FQ - resistance?
Beta lactamases
macrolides do not ? aka can’t tx?
BBB, meningitis
macrocodes are ?/? in low concentrations BUT ?/? in high !
bacteriostatic/P.O.
bacteriocidal/IV
? is resistant to all macrolides
Tx with?
strep pneumo
telithromycin
drug interactions (4)
erythro
clarithro
chloramphenicol
all of the -azoles
amino glycosides are synergistic with all ? and ?
beta lactams, vancomycin