Drug by Use Flashcards
Penicillin G
gram - cocci
Penicillin V
gram + rods, anaerobes (but not bacteroides)
Penicillinase-resistant
penicillinase MSSA, skin infections
may want to combine with clavulanate
Amoxicillin
gram - rods (H. flu, E. coli)
gram + cocci
Antipseudomonal
Pseudomonas
Bacteroides + other anaerobes
Cephalexin
gram + cocci
gram - rods (proteus, diarrhea E. coli)
Ceflacor, Cefuroxime
good gram - rods (H. flu)
Bacteroides
Cefdinir Ceftriaxone
expanded gram - rods
good gram + cocci (for ceftriaxone)
some antipseudomonal
Vancomycin
narrow spectrum gram + cocci
MRSA, enterococci,C. diff
Carbapenems
widespread (reserved for multi-drug-resistant organisms)
Azythromycin
extended gram + rods/cocci
some gram - bacilli
atypical: mycoplasma/chlamydia
Doxycyclin
broad spectrum (many now resistant)
CA-MRSA
Atypical: chlamydia, mycoplasma
Minocycline
broad spectrum (many now resistant)
CA-MRSA
Atypical: chlamydia, mycoplasma
Clindamycin
narrow spectrum gram + cocci
anaerobes (not C. diff)
CA-MRSA
Aminoglycoside
narrow spectrum gram - aerobes (E.coli, Pseudomonas)
Chloramphenicol
broad spectrum gram -/+ cocci
Neisseria (meningitis) H. flu, Rickettsia
Oxazolidinones
excellent gram + (staph, strep, entero)
reserve for multi-drug resistant cases
Streptogamins
excellent gram +
reserve for multi-drug resistant cases
Ciprofloxacin
excellent gram - (Pseudomonas, UTI’s)
Levofloxacin
excellent gram -/+ (“respiratory,” UTI’s)