Antibiotic therapies by organism Flashcards
Group A strep
Gram + cocci
Drug choice: PCN
clindamycin, macrolide, cephalosporin
Strep pneumoniae
Gram + cocci
Drug choice: PCN, amoxicillin
macrolide, cephalosporin, clindamycin
Staph aureus
Gram + cocci
Drug choice:
nafcillin, BLIC, cephalosporins, fluoroquinolones
SMZ-TMP, macrolide, clindamycin
MRSA
gram + cocci
SMZ-TMP, doxy, clindamycin
vancomycin
Moraxella catarrhalis
gram - cocci
BLIC, 2nd/3rd gen cephalosporin, macrolide
(fluoroquinolone, SMZ-TMP, doxy
Neisseria gonorrhea
gram - cocci
fluoroquinolone, ceftriaxone, cefixime
microdantin, BLIC
Neisseria meningitidis
gram - cocci
PCN, ceftriaxone
fluoroquinolone, macrolide, tetracycline
Campylobacter
gram - bacilli
fluoroquinolone, erythromycin
tetracycline, augmentin
Enterobacter
gram - bacilli
SMZ-TMP
fluoroquinolone, imipenem, aminoglycoside
E coli
gram - bacilli
cephalosporin (3rd gen), SMZ-TMP (increasing resistance), macrodantin, fluoroquinolone
H. flu
gram - bacilli
BLIC, 2nd/3rd gen cephalosporins, macrolide (NOT erythromycin
fluoroquinolone)
Klebsiella pneumoniae
gram - bacilli
2nd/3rd gen cephalosporin, SMZ-TMP, fluoroquinolone
BLIC, aminoglycoside
Proteus miribalis
gram - bacilli
2nd/3rd gen cephalosporin, amoxicillin, BLIC, fluoroquinolone
Salmonella
gram - bacilli
fluoroquinolone
3rd gen cephalosporin - ceftriaxone, BLIC
Shigella
gram - bacilli
fluoroquinolone
SMZ-TMP, BLIC, aminoglycoside, tetracyclines, microdantin