Empiric Antibiotic Therapy: Pathogen & DOC

Question 1

moraxella catarrhalis
(respiratory, eye, ear, joint inf)

Answer 1

G- cocci (aerobic)

TMP-SMZ, cephalosporin

Question 2

neisseria gonorrhoeae

gonorrhea

Answer 2

G- cocci (aerobic)

ceftriaxone, cefpodoxime

Question 3

neisseria meningitidis

meningitis

Answer 3

G- cocci (aerobic)

penicillin G

Question 4

e. coli, klebsiells, proteus

Answer 4

G- rods (aerobic)

cephalosporin, TMP-SMZ

Question 5

enterobacter, citrobacter, serratia

Answer 5

G- rods (aerobic)
TMP-SMZ
carbapenems
quinolone (cipro)

Question 6

shigella

digestive tract

Answer 6

G- rods (aerobic)

quinolone (cipro)

Question 7

salmonella

food poisoning

Answer 7

G- rods (aerobic)

TMP-SMZ

Question 8

campylobacter jejuni

gastroenteritis, guillain-barre

Answer 8

G- rods (aerobic)

erythromycin

Question 9

brucella

Answer 9

G- rods (aerobic)

doxycycline + rifampin or aminoglycoside

Question 10

helicobacter pylori

gastritis, ulcers

Answer 10

G- rods (aerobic)

bismuth + metronidazole + tertracycline or amoxicillin

Question 11

vibrio

food poisoning - seafood

Answer 11

G- rods (aerobic)

tetracycline

Question 12

pseudomonas aeruginosa
(inflammation, sepsis)

Answer 12

G- rods (aerobic)

antipsuedomonal PCN + aminoglycoside

Question 13

burkholderia cepacia

Answer 13

G- rods (aerobic)

TMP-SMZ

Question 14

stenotrophomonas maltophilia

Answer 14

G- rods (aerobic)

TMP-SMZ

Question 15

legionella

Answer 15

G- rods (aerobic)

azithromycin + rifampin

Question 16

strep pneumonae

Answer 16

G+ cocci (aerobic)

PCN

Question 17

strep pyogenes (group A)

Answer 17

G+ cocci (aerobic)

PCN, clindamycin

Question 18

strep agalactiae (group B)

Answer 18

G+ cocci (aerobic)

PCN

Question 19

viridans strep

Answer 19

G+ cocci (aerobic)

PCN

Question 20

staph aureus β-lactamase neg

Answer 20

G+ cocci (aerobic)

PCN

Question 21

staph aureus β-lactamase pos

Answer 21

G+ cocci (aerobic)

penicillinase-resistant PCN

Question 22

staph aureus methacillin-resistant

MRSA

Answer 22

G+ cocci (aerobic)

vancomycin

Question 23

enterococcus

Answer 23

G+ cocci (aerobic)

PCN +/- aminoglycoside

Question 24

bacillus (non-anthracis)

Answer 24

G+ rods (aerobic)

vancomycin

Question 25

listeria

Answer 25

G+ rods (aerobic) | ampicillin

Question 26

nocardia

Answer 26

G+ rods (aerobic) | TMP-SMZ

Question 27

clostridium difficile

Answer 27

G+ (anaerobic) | metronidazole

Question 28

bacteroides fragilis

Answer 28

G- (anaerobic) | metronidazole

Question 29

fusobacterium, prevotella, porphyromonas

Answer 29

G- (anaerobic) | metronidazole, clindamycin, PCN

Question 30

mycobacterium tuberculosis

Answer 30

isoniazid + rifampin + ethambutol + pyrazinamide

Question 31

mycobacterium leprae multibacillary

Answer 31

dapsone + rifampin + clofazimine

Question 32

mycobacterium leprae paucibacillary

Answer 32

dapsone + rifampin

Question 33

mycoplasma pneumoniae

Answer 33

TCN, erythromycin

Question 34

chlamydia trachomatis

Answer 34

mycobacteria TCN, azithromycin

Question 35

chlamydia pneumoniae

Answer 35

mycobacteria TCN, erythromycin

Question 36

chlamydia psittaci

Answer 36

mycobacteria TCN

Question 37

borrelia recurrentis

Answer 37

spirochetes doxycycline

Question 38

borrelia burgdorferi, early

Answer 38

spirochetes doxycycline, amoxicillin

Question 39

borrelia burgdorferi, late

Answer 39

spirochetes ceftriaxone

Question 40

leptospira

Answer 40

spirochetes PCN

Question 41

treponema

Answer 41

spirochetes PCN

Question 42

aspergillus

Answer 42

fungi | voriconazole

Question 43

blastomyces

Answer 43

fungi | amphotericin B

Question 44

candida

Answer 44

fungi | amphotericin B

Question 45

cryptococcus

Answer 45

fungi | amphotericin B

Question 46

coccidioides immitis

Answer 46

fungi | amphotericin B

Question 47

histoplasma capsulatum

Answer 47

fungi | amphotericin B

Question 48

mucoraceae

Answer 48

fungi | amphotericin B

Question 49

sporothrix schenckii

Answer 49

fungi | amphotericin B