Specific ABX questions Flashcards
Patient presents with an uncomplicated cystitis w/o previous hx of same. what should you treat with? (1st, 2nd and 3rd choice)
- First Choice: empirically: Bactrim (BID 3 days)
- Second choice: (sulfa allergy?) Nitrofurantoin: 100 mg BID/ 5 days
- 3rd choice: fosfomycin 3mg, single dose
ABX use is the single most important risk factor for what type of infection?
c. Diff
What causes UTIs?
e. Coli (>90%)
other GNB, Staph saprophyticus, group beta strep)
other options for treating UTI:
Cipro (BIDX3D)
Levofloxacin (QDX3D)
Betalactams (when C&S supports it)
pyelonephritis treatment:
Bactrim (14 days)
Cipro (4-5 days)
Prostatits tx:
get C&S!
bactrim (BID 4-6 weeks)
FQ (cipro, levofloxacin) (QD 4-6 weeks)
SST: mild/moderate cellulitis tx:
MSSA and MRSA
dicloxacillin 7-10 days
if pcn allergy: clindamycin
if MRSA: Vancomycin!! or linezolid or ceftaroline (only BL that works on MRSA)
Tx for a URI with positive group A “rapid strep test”
betal-lactam (peniclillin/cephalosporin)
macrolide or clindamycin if pcn allergic
LRI (CAP) tx:
no antimicrobial tx w/in the last 3 mo: Doxycycline or Macrolide (avoid if high local resistance)
tx of CAP when one or more co-morbidity is present and recent abx use with no improvement:
“respiratory FQ” levo or moxifloxacin
or
Augmentin (amoxicillin/clavulanate)- (if FQ intolerant)
6 year old patient comes in with a cellulitis. Hx of PCN allergy. What do you use?
1st gen cephalosporins (cefazolin, cephalexin, cefadroxil)
Pt comes in with severe OTM with efusion, what do you tx with?
Ceftriax (3rd gen cephalosporin)
Options for tx of meningitis
ceftriax (3rd gen cephalosporin)
you have a pediatric patient that has a UTI that is not responding to Bactrim, you wish to prescribe Cipro, what should the dose be.
NONE! FQ are contraindicated for pediatric patients d/t bone growth abnormalities
what is a contraindication for using a macrolide?
hx of recent macrolide use
what do you prescribe for Lyme dz?
tetracyclines
what is the worse class for GI flora?
tetracyclines
Pediatric patient comes in with a URI, what do you prescribe?
bactrim
first/only choice when treating PC pneumonia (PCP) in immunocompromized patients?
Bactrim
tx for trichamonas infection
metronidazole
treatment for GP TB or meningitis
Rifampin (used in combo with others)
first choice for MRSA infections (GP only)
vancomycin
highly effective against VRE
linezolid/ zyvox
your hospitalized patient is not responding well to treatment of a gram positive infection; as a last resort, what should you try?
daptomycin
