Bugs and Drugs Review Flashcards
What is the most common cause of 1. non-purulent 2. purulent cellulitis? What can you treat each of them with?
- strep pyogenes (group A strep), penicillin
2. staph aureus (MSSA), cloxacillin/cefazolin/cefalexine
2 most common causes of acute bacterial sinusitis and how to treat it
Haemophilus influenzae
Strep pneump
Amoxicillin (if H flu has beta lactamase, use amox-clav)
Most common cause of CAP and 2 options to treat it
Strep pneumo
Amoxicillin or penicillin
How would you treat HAP from Pseudomonas?
Pip-tazo
How can you treat E coli?
Amox clav or pip tazo
Rarely amoxicillin
NEVER penicillin
How can you treat viridans group strep abcesses?
Penicillin or amoxicillin
Same as for E faecalis (but NOT E faecium)
How can you treat anaerobic bacteria with penicillins?
Pip tazo or amox clav
2 1st generation cephalosporins and what they can be used to treat
Cephalexin
Cefazolin
Cellulitis, unless caused by MRSA
1 example of
1. Second gen
2. Third gen
cephalosporin
- Cefuroxime
2. Ceftriaxone
2 cephalosporin drugs you can use for Pseudomonas
Ceftazidine
Cefepine
Best cephalosporin for anaerobes
Ceftriaxone
Also for viridians group strep
3 carbapenems to treat ESBL
Meropenem
Imipenem
Ertapenem
- 1 Carbapenem against enterococcus
2. 1 carbapenem NOT effective against Pseudomonas
- Imipenem
2. Ertapenem
1 fluoroquinolone effective against GI/GU gram negatives
Ciprofloxacin
2 fluoroquinolones effects against strep pneumo
Levofloxacin
Moxifloxacin (only one that treats anaerobes)
2 fluoroquniolones for HAP due to Pseudomonas
Ciprofloxacin
Levofloxacin
2 macrolides effective against CAP strep pneumo
Azithromycin
Clarithromycin
Doxycycline is effective against what kind of infections?
MRSA
Strep pneumo and CAP causing atypical bacteria
Plasmodium
Tick borne infections
What kind of organisms does Clindamycin cover?
Similar to penicillin
But also MRSA
6 drugs that cover MRSA
Vanco Linezolid Daptomycin Doxycycline TMP-SMX Clindamycin
2 drugs to treat VRE (E faecium)
Daptomycin
Linezolid
