Antibiotics Flashcards
Sulfonamides MOA
folic acid inhibitor
Sulfonamides common indications
CA-MRSA, UTI, PCP Tx and prophylaxis
Sulfonamides major ADRs
rash, SJS, renal, heme
high incidence of allergy and resistance
Sulfonamides examples
SMX/trimethoprim (Bactrim)
Silvadene (topical for burns)
class C/D
Penicillins MOA
bacteriocidal, inhibit bacterial cell wall synthesis class B
Penicillins major ADRs
allergy, rash, GI, hepatic, renal, superinfection
monobactams- n/v/d, seizure, leukopenia
carbapenems - heme, altered bleeding, seizures
narrow spectrum penicillins spectrum and indications
gram +, N. meningiditis
strep, syphilis, meningitis, pharyngitis, endocarditis, CAP
narrow spectrum penicillins examples
PCN G (IV), PCN G (IM)
benzathine - DOC for syphilis
PCN V K (PO)
extended spectrum penicillins spectrum and indications
gram +, gram - especially E. coli, H. flu, proteus)
UTI, AOM, meningitis, sinusitis
extended spectrum penicillins examples
ampicillin
amoxicillin
piperacillin - often combined with beta lactamase inhibitors
ticarcillin - often combined with beta lactamase inhibitors
Beta-lactamase resistant penicillins spectrum and indications
beta lactamase producing gram + (staph), some gram -
serious or resistant infections like endocarditis, osteomyelitis
PCNs + beta lactamase inhibitors spectrum and indications
beta lactamase producing gram + (staph) and gram - (H. flu, gonococci, pseudomonas)
pneumonia, sinusitis, bite wounds, diabetic foot ulcers
PCNs + beta lactamase inhibitors examples
amoxicillin/clavulanate (Augmentin)
ticarcillin/clavulanate
ampicillin/sulbactam
piperacillin/tazobactam
monobactam spectrum and indications
most gram - (pseudomonas)
pneumonias, sepsis
monobactam examples
aztreonam
carbapenems spectrum and indications
very broad spectrum
serious nosocomial infections, intra-abdominal infections, gun shot wounds, pendicitis
carbapenems examples
imipenem/cilistatin
meropenem
ertapenem
doripenem
cephalosporins MOA
bacterial cell wall synthesis inhibitor
cephalosporins ADRs
allergy, rash, GI, hepatic, renal, superinfection, headache, rare heme effects
Class B
1st generation cephalosporin spectrum and indications
good for gram +, limited gram -
skin and soft tissue infections, UTI, surgical prohylaxis
1st generation cephalosporin examples
cefazolin
cephalexin
2nd generation cephalosporin spectrum and indications
good for gram +, some gram - –> H. flu
URTI, AOM, CAP, PID
2nd generation cephalosporin examples
cefcalor
cefotetan
cefoxitin
cefuroxime (PO and IV)
3rd generation cephalosporin spectrum and indications
less gram +, more gram -
AOM, pneumonias, intra-abdominal infections, sepsis, UTI, lymes, gonorrhea, DOC for endocarditis and meningitis