ABX-Table 1 Flashcards
Traditional Pencillins
gram positive infections, block cell wall production, Streptococcus coverage
PCN tx
Syphilis
Traditional PCN are
PCN, Ampicillin, amoxicillin
Traditional pcn tx?
GBS prophylaxis in pregnant women(prevent meningitis)
Amoxicillin covers?
Ear infections(children), strep throat- STREP infections
Semi synthetic PCNs?
Oxacillin, Nafcillin, Dicloxacillin, Cloxacillin-
What do semi-synthetic pcns tx?
STAPH- NOT MRSA
Ampicllin tx?
Lyme disease
What are the generations of cephalosporins representing?
1-4 generations, first and second are good for
What do cephalosporins not cover?
Listeria and MRSA
What do cephalosporins cover?
Ceftazidime and cefepime cover pseudomonas
What percent cross sensitivity can be observed from ppl with a pcn allergy, when initiating a cephalosporin?
3-5%
What is the 4th gen cephalosporin?
Cefepime
What are the macrolides?
Erythromycin, azithromycin, clarithromycin
What do you use when a pt has strep throat, but us allergic to PCN?
Macrolide!
What do macrolides cover that is different from PCNs?
additionally covers atypicals! (ligionella, mycoplasma, mycobacteria, chlamydia, H influenzae)
What macrolide is the drug of choice for walking pneumonia?
Azithromycin
What else does azithromycin tx, usually with ceftriaxone?
tx. of chlymydia and gonorrhea
What do Quinolones cover?
Broad spectrum, covers gram positive staph and strep AND gram negative AND atypicals! good empiric therapy for pneumonia
What are the quinolones?
Levofloxacin, ciprofloxacin, gatifloxacin, moxifloxacin, quinupristin