Bugs and Drugs Review

Question 1

What is the most common cause of 
1. non-purulent
2. purulent
cellulitis?
What can you treat each of them with?

Answer 1

1. strep pyogenes (group A strep), penicillin

2. staph aureus (MSSA), cloxacillin/cefazolin/cefalexine

Question 2

2 most common causes of acute bacterial sinusitis and how to treat it

Answer 2

Haemophilus influenzae
Strep pneump
Amoxicillin (if H flu has beta lactamase, use amox-clav)

Question 3

Most common cause of CAP and 2 options to treat it

Answer 3

Strep pneumo

Amoxicillin or penicillin

Question 4

How would you treat HAP from Pseudomonas?

Answer 4

Pip-tazo

Question 5

How can you treat E coli?

Answer 5

Amox clav or pip tazo
Rarely amoxicillin
NEVER penicillin

Question 6

How can you treat viridans group strep abcesses?

Answer 6

Penicillin or amoxicillin

Same as for E faecalis (but NOT E faecium)

Question 7

How can you treat anaerobic bacteria with penicillins?

Answer 7

Pip tazo or amox clav

Question 8

2 1st generation cephalosporins and what they can be used to treat

Answer 8

Cephalexin
Cefazolin
Cellulitis, unless caused by MRSA

Question 9

1 example of
1. Second gen
2. Third gen
cephalosporin

Answer 9

1. Cefuroxime

2. Ceftriaxone

Question 10

2 cephalosporin drugs you can use for Pseudomonas

Answer 10

Ceftazidine

Cefepine

Question 11

Best cephalosporin for anaerobes

Answer 11

Ceftriaxone

Also for viridians group strep

Question 12

3 carbapenems to treat ESBL

Answer 12

Meropenem
Imipenem
Ertapenem

Question 13

1. 1 Carbapenem against enterococcus

2. 1 carbapenem NOT effective against Pseudomonas

Answer 13

1. Imipenem

2. Ertapenem

Question 14

1 fluoroquinolone effective against GI/GU gram negatives

Answer 14

Ciprofloxacin

Question 15

2 fluoroquinolones effects against strep pneumo

Answer 15

Levofloxacin

Moxifloxacin (only one that treats anaerobes)

Question 16

2 fluoroquniolones for HAP due to Pseudomonas

Answer 16

Ciprofloxacin

Levofloxacin

Question 17

2 macrolides effective against CAP strep pneumo

Answer 17

Azithromycin

Clarithromycin

Question 18

Doxycycline is effective against what kind of infections?

Answer 18

MRSA
Strep pneumo and CAP causing atypical bacteria
Plasmodium
Tick borne infections

Question 19

What kind of organisms does Clindamycin cover?

Answer 19

Similar to penicillin

But also MRSA

Question 20

6 drugs that cover MRSA

Answer 20

Vanco
Linezolid
Daptomycin
Doxycycline
TMP-SMX
Clindamycin

Question 21

2 drugs to treat VRE (E faecium)

Answer 21

Daptomycin

Linezolid