Antibiotics of Choice

Question 1

Bacillus cereus

Answer 1

Vancomycin/Clindamycin

Question 2

Borrelia burgdorferi

Answer 2

doxycycline (alt: erythromycin/amoxicillin)

Question 3

Campylobacter jejuni

Answer 3

Azithromycin (alt: erythromycin)

Question 4

Candida sp.

Answer 4

miconazole (skin/vagina), Fluconazole (systemic infxn)

Question 5

Chlamydia trachomatis

Answer 5

Doxycycline/azithromycin (if dozy regimen compliance is suspected in pt, if

Question 6

Clostridium difficile

Answer 6

Metronidazole (alt: vancomycin) ** both must be oral med

Question 7

Corynebacterium diphtheriae

Answer 7

erythromycin + antitoxin

Question 8

Gardnerlla vaginalis

Answer 8

metronidazole (alt: tinidazole)

Question 9

Hemophilus ducreyi

Answer 9

azithromycin/ceftriaxone

Question 10

Hemophilus influenzae

Answer 10

Cefotaxime/ceftriaxone (if life threatning); Amoxicillin-clavulanate (if non-lifethreatning)

Question 11

Mycoplasma pneumoniae

Answer 11

Doxycycline/azithromycin

Question 12

Neisseria Gonorrheae

Answer 12

Ceftriaxone (ALWAYS tx for Chlamydia, even if ruled out with NAAT).

Question 13

Neisseria meningitidis

Answer 13

Ceftriaxone

Question 14

Bacillus anthracis

Answer 14

Penicillin G (only after isolate is proven sens to PCN, until then use: Ciproflox/levofloxacin/Doxycycline + Clindamycin/Rifampin + Raxibacumab (antitoxin Ab)).

Question 15

Listeria monocytogenes

Answer 15

Ampicillin + gentamicin

Question 16

Pasturella multocida

Answer 16

Amoxicillin/Cefuroxime

Question 17

Salmonella typhi

Answer 17

ciprofloxacin

Question 18

Shigella species

Answer 18

Azithromycin/any flouroquinolone (alt: ceftriaxone)

Question 19

Treponema Pallidum

Answer 19

Penicillin G

Question 20

Trichomonas Vaginalis

Answer 20

Metronidazole (alt: tinidazole)

Question 21

Staphylococcus aureus

Answer 21

Oxacillin/naficillin; Dicloxacillin (skin); if MRSA: Vancomycin

Question 22

Streptococcus pyogenes

Answer 22

Penicillin G or V

Question 23

Genital warts

Answer 23

podophyllin resin/cryotherapy/trichloroacetic acid

Question 24

GBS prophylaxis for preg women

Answer 24

penicillin G during labor

Question 25

Staphylococcus saprophyticus

Answer 25

any cephalosporin/amoxicillin-clavulanic acid

Question 26

Streptococcus pneumoniae

Answer 26

Penicillin G

Question 27

Vibrio Cholerae

Answer 27

IV Ringer's lactate + 1dose Doxycycline/azithromycin

Question 28

Giardia Lamblia

Answer 28

Tinidazole/Nitazoxanide (alt: metronidazole)

Question 29

Entamoeba histolytica

Answer 29

Metronidazole/tinidazole, then paramomycin/iodoquinol

Question 30

Ascaris lumbricoides

Answer 30

Albendazole/mebendazole

Question 31

Necator americanus

Answer 31

Albendazole (alt: mebendazole)

Question 32

Trichinella spiralis

Answer 32

Albendazole + prednisone

Question 33

Enterobius vermicularis

Answer 33

Mebendazole

Question 34

Schistosoma spp.

Answer 34

Praziquantel

Question 35

Diphyllobothrium latum

Answer 35

Praziquantel (alt: niclosamide)

Question 36

Adenovirus (severe)

Answer 36

Cidofovir + probenecid

Question 37

Influenza A (seasonal), Influenza B, Avian (H5N1)

Answer 37

Zanamavir/oseltamivir

Question 38

Measles

Answer 38

Vitamin A (children) Ribavirin (adults)