antimicrobials Flashcards
natural penicillin
penicillin G aqueous
Penicillin G procaine
Penicillin G benzathine
Penicillin V (PO)
Amino penicillin
amoxicillin
ampicillin
antistaphylococcal penicillin
dicloxacillin
nafcillin
oxacillin
Antipseudomonal penicillins
piperacillin
ticarcillin
beta-Lactamase inhibitor combos
ampicilin/sulbactam
amoxacillin/clavulanate
piperacillin/tazobactam
ticarcillin/clavulant
penicillin Mechanism of action
interfere with cell wall synthesis
penicillin mechanism of reisistance
beta lactamase/penicillinase
modified penicillin binding proteins
decreased permeability
natural penicillins treat
gram positive cocci
strep viridans
strep pyogenes (group A Strep)
natural penicillins therapeutic uses
syphilis
group b strep infection
strep pneumonia
amino penicillins treat
gram + and gram - haemophilus influenzae strep pneumonia e. coli proteus mirabilis enterococcus
amino penicillins therapeutic uses
otitis media
sinusitis
Antipseudomonal Penicillins treat
pseudomonas aeruginosa
serratia sp
klebsiella sp
antipseudomonal penicillin therapeutic uses
nosocomial pneumonia and UTI
complicated cellulitis
abdominal infection
Beta lactamase inhibitor combinations treat
gram - and anaerobic
Beta lactamase inhibitor combinations therapeutic uses
abscess diabetic foot abdominal infection animal bites fever of unknown origin refractory sinusitis/otitis media
Beta lactamase inhibitor combinations side effect
diarrhea
suprainfection
Antistaphylococcal penicillins treat
gram +
staphylococcus aureus
antistaphylococcal penicillins therapeutic uses
soft tissue
bone infections
endocarditis
penicillins ADR
Hypersensitivity
ampicillin ADR
Epstein-Barr Virus, cytomegalvirus, acute lymphocytic leukemia
non-allergic RASH
1st generation cephalosporins
cefadroxil
cefazolin
cefalexin
2nd generation cephalosporins
cefaclor cefotetin cefoxitin cefprozil cefuroxime cefuroxime axetil
cephalosporins mechanism of action
interfere with cell wall synthesis
more resistant to Beta-lactamase
1st generation ceph treat
gram +
streptococcus
staphylococcus
1st generation ceph therapeutic uses
soft tissue
bone infections
(cellulitis, osteomyelitis, surgical prophylaxis)
2nd generation ceph treat
anerobes
some gram - and gram +
2nd genertraion ceph therapeutic uses
abdominal infections: abscess, pelvic, diverticulitis
respiratory infections: sinusitis, otitis media, pneumonias
3rd generation ceph treat
gram -
some gram + and anerobic
3rd generation ceph therapeutic uses
respiratory infections:
pneumonia, otitis media, sinusitis, meningitis
cephalosporins ADR
hypersensitivity
Macrolides
azithromycin
clarithromycin
erythromycin
macrolides mechanism of action
inhibits bacterial ribosomal protein synthesis
macrolides treat
gram +
gram -
atypical
macrolides therapeutic uses
respiratory genital CAP pelvic infection acne whooping cough
macrolides ADR
GI intolerance = non compliance
cholestatic jaundice
prolonged QT intervals
Clarithromycin ADR
abnormal taste sensations
macrolide drug interaction
erythromycin and clarithromycin metabolized by CYP 450
how should azithromycin be taken?
empty stomach
Macrolide caution
severe hepatic dysfunction
motilin agonist
erythromycin