50: Anitbiotics III

Question 1

uncomplicated skin infection is likely ..

Answer 1

staph aureus and strep pyogenes

treat with penicllins or 1st gen cephalexin

if allergies use vancomycin or clindamycin

Question 2

complicated skin infections are likely..

Answer 2

polymicrobial including e. coli and pseudomonas aeruginoa

treat with penicillin and a lactamase inhibitor

Question 3

**MRSA triad of medications

Answer 3

vancomycin
linezolid
daptomycin

Question 4

acute osteomyelitis caused by…

Answer 4

s. aureus and staphylococci

treat with vancomycin
cephalosporins (ceftriaxone or cefepime)

Question 5

infections following orthopedic surgeries are often caused by

Answer 5

e. coli and p. aeruginosa

treat with penicillin and lactamase inhibitor

Question 6

septic arthritis can be caused by …

Answer 6

s. aureus
s. pyognees
strep. pneumoniae
neisseria gonorrhoeae

treat with ceftriaxone empirically

Question 7

prosthetic joint infections are caused by…

Answer 7

s. aureus

treat with rifampin

Question 8

treatment for acute sinusitis

Answer 8

augmentin

most common causative organism are s. pneumoniae, haemophilus infuenzae or moraxell cat.

Question 9

acute exacerbation of chronic bronchitis is caused by

Answer 9

h. influenzae, s. pneumoniae or m. catarrhalis

treat with augmentin

Question 10

treatment for pharyngitis

Answer 10

penicillin or amoxicillin

probably caused by a steptococci

Question 11

treatment for ambulatory community-acquired pneumonia

Answer 11

macrolide

Question 12

treatment for hospitalized community acquired pneumonia

Answer 12

b-lactam and macrolide

Question 13

empiric treatment for hospital acquired pnemonia

Answer 13

ceftriaxone

Question 14

• uncomplicated UTI infections are most likely caused by

Answer 14

e. coli

treat with TMP-SMX

Question 15

treatment pyelonephritis, prostatitis, or complicated UTI

Answer 15

TMP-SMx

fluoroquinolone

Question 16

treatment intra-abdominal infections

Answer 16

ticarcilllin + clavulanate

Question 17

treatment for c. diff infection

Answer 17

moderate - metronidazole

severe - vancomycin

Question 18

treatment community acquired bacterial meningitis

Answer 18

ceftriaxone or ceftaxime + vancomycin

Question 19

neonatal meningitis treatment

Answer 19

ampicillin + cephalosporin +/- gentamycin

Question 20

sepsis treatment requires

Answer 20

3rd of 4th gen ceph

+ vancomycin

Question 21

endocarditis treatment need

Answer 21

ceftriaxone + vancomycin

Question 22

treatment for fever and neutropenia

Answer 22

ciprofloxacin + amoxicillin/clavulanate

Question 23

enterococci might be resistant to normal drugs, try giving..

Answer 23

linezolid
daptomycin
tigecycline

Question 24

drug resistant gram negs might respond to

Answer 24

carbapenems
or
carbapenemases

Question 25

gram positive clusters

Answer 25

staph aureus

Question 26

• post surgical infection treatment

Answer 26

brad spec penicillin + b lactamase inhibitor

if resistant go for vacomycin, linezolid, daptomycin

Question 27

treat pneumonia and meningitis with…

Answer 27

3rd and 4th gen cephalosporin

Question 28

• complicated UTI treat with

Answer 28

fluoroquinolones

watch out for the calcium supplememnt - fluoros prevent cation absorption in gu t