Pathogen
Type1
Therapy
Supplemental
Alternative

Bacteria





Acinetobacter

-, r
piperacillin

ceftazidime


aminoglycoside

piperacillin/


TMX/SMX

tazobactam


imipenem


Actinobacillus
-, c-b
ampicillin
aminoglycoside
chloramphenicol
actinmycetemcomitans




Actinoyces
+, r
penicillin G

clindamycin




tetracycline
Aeromonas
-, r
aminoglycoside

TMP/SMX
hydrophila




Arizona
-, r
ampicillin

TMP/SMX
Bacteroides
-, r
clindamycin

piperacillin
fragilis

metronidazole

mezlocillin


ampicillin/

cefoxitin


sulbactam

chloramphenicol


piperacillin/

amoxicillin/


tazobactam

clavulanate




ticarcillin/




clavulanate
Bacteroides
-, r
penicillin G

piperacillin
melaninogenicus

clindamycin

mezlocillin


cefoxitin

tetracyline


metronidazole (if

amoxicillin/


beta-lactamase

clavulanate


producer)

ticaracillin/


ampicillin/sulbactam

clavulante


piperacillin/




tazobactam


Bordatella
-, c-b
erythromycin

ampicillin
Borrelia
s
tetracyline

chloramphenicol
Borrelia
s
early diagnosis:

if allergic to
burgdorferi

tetracycline

penicillin or tetracycline


doxycycline

then erythromycin


penicillin V

cefuroxime


erythromycin

axetil


amoxicillin w/ or w/o




probenecid




late diagnosis:




IV penicillin




ceftriaxone


Brucella
-, r
tetracycline
streptomycin
TMP/SMX
Campylobacter
-, r
quinolone

TMP/SMX


erythromycin

tetracycline
Capnocytophaga
-, r
penicillin
erythromycin



clindamycin


Chlamydia

tetracycline

erythromycin


ofloxacin

sulfonamides




clarithromycin
Chlamydia

doxycycline

erythromycin
trachomatis

tetracycline

minocycline


ofloxacin

azithromycin
Chromobacterium
-, r
chloramphenicol

tetracyline
violaceum




Citrobacter
-, r
chloramphenicol

piperacillin
diversus

aztreonam

mezlocillin


3rd generation

piperacillin/


cephalosporin

tazobactam


quinolones


Citrobacter
-, r
aminoglycosides

piperacillin/
freundi

quinolones

tazobactam
Clostridium
+, r
antitoxin


botulinum




Clostridium
+, r
vancomycin
stop AB
cholestyramine
difficile

metronidazole PO


Clostridium
+, r
penicillin G

tetracycline
perfringens



chloramphenicol




cefoxitin




clindamycin




piperacillin/




tazobactam
Clostridium
+, r
penicillin

immunization
tetani



antitoxin
Corynebacterium
+, r
penicillin
antitoxin
erythromycin
diphtheriae

erythromycin




(for carrier)


Escherichia coli
-, r
ampicillin

TMP/SMX
(UTI)



quinolone
(noscomial)

aminoglycoside

ampicillin


aztreonam

ticarillin/


cephalosporin

clavulanate


TMP/SMX

piperacillin


quinolone




piperacillin/




tazobactam


Eikenella
-, r
tetracycline

aminoglycoside
corrodens

ampicillin


Enterococcus
+, c
ampicillin
aminoglycoside
vancomycin
faecalis & faecium

penicillin G

piperacillin




ampicillin/




sulbactam




piperacillin/




tazobactam




doxycycline
Enterobacter
-, r
imipenem

TMP/SMX


piperacillin

ticarillin/


mezlocillin +

clavulante


aminoglycoside

3rd generation


aztreonam

cephalosporin


ciprofloxacin

pipericillin/


ofloxacin

tazobactam
Eubacteria
+, r
penicillin

clindmycin




tetracycline




cefoxitin
Flavobacteriae
-, r
3rd generation

pipericillin


cephalosporin

mezlocillin


aminoglycoside




ciprofloxacin


Francisella
-, c-b
streptomycin
tetracycline
chloramphenicol
tularensis




Fusobacteriae
-, r
penicillin G

clindamycin




tetracycline




cefoxitin




pipercillin/




tazobactam
Haemophilus
-, r
cephalothin
aminoglycoside
piperacillin
aphrophilus

penicillin G

quinolones
Haemophilus
-, r,c,b
ampicillin

chloramphenicol
influenzae

cefixime




cefuroxime




amoxicillin/




clavulanate




ticarcillin/




clavulanate




clarithromycin




azithromycin




2nd or 3rd generation




cephalosporins




TMP/SMX




aztreonam




ciprofloxacin




ofloxacin




piperacillin/




tazobactam


Haemophilus
-, r
erythromycin
if resistant
minocycline
ducreyi

TMP/SMX
rifampin
ofloxacin


sulfonamide
cefoxitin



ofloxacin


Haemophilus
-, r
ampicillin

chloramphenicol
parainfluenzae



TMP/SMX
Gardnerella
-, r
metronidazole
ampicillin

vaginalis




JK-Diptheroids
+, r
vancomycin

erythromycin
Klebsiella
-, r
cephalosporins
aminoglycoside
piperacillin
pneumoniae
ciprofloxacin
aztreonam

mezlocillin


ofloxacin

ticarcillin/


piperacillin/

clavulanate


tazobactam


Lactobacillus
+, c
gentamicin

resistant to
confusus

chloramphenicol

vancomycin


imipenem




minocycline


Legionella
r
erythromycin
rifampin
quinolones
pneumophila

tetracycline

clarithromycin




azithromycin
Leptospira
-, s
penicillin

tetracycline
Leuconostoc
+, c
minocycline

resistant to
mesenteroides

gentamicin

vancomycin


chloramphenicol




imipenem


Listeria
+, r
ampicillin
aminoglycoside
chloramphenicol
monocytogenes

TMP/SMX


Moraxella
-, c
cefixime

cefaclor
catarrhalis

cefuroxime axetil

cefprozil


amoxicillin/

piperacillin/


clavulanate

tazobactam


TMP/SMX




ofloxacin




clarithromycin




azithromycin


Morganella
-, r
3rd generation

aminoglycoside
morganii

cephalosporin

piperacillin/


ciprofloxacin

tazobactam


ofloxacin


Mycobacteria
acid-
clarithromycin
surgery
ansamycin
avium-
fast, r
isoniazid +

clofazimine
intracellulare

ethambutol +


complex

rifampin +




amikacin


M scrofulaceum

same as above
surgery

M kansasii

isoniazid +




ethambutol +




streptomycin




or rifampin


M marinum

ethambutol +
surgery
tetracycline +


rifampin

TMP/SMX
M xenopi

isoniazid +

amikacin


streptomycin +




rifampin


M fortuitum
diptheroids
amikacin


M chelonei

rifampin +

ethionamide +


cefoxitin

erythromycin
Mycoplasma

erythromycin

quinolones (adults only)
pneumoniae

tetracycline

azithromycin


(adults only)

minocycline


clarithromycin


Neisseria
-, c
penicillin G

tetracycline
gonorrhoeae

ampicillin

ciprofloxacin


ofloxacin


PPNG

ceftriaxone

piperacillin/


cefuroxime

tazobactam


cefotaxime




spectinomycin




TMP/SMX




ciprofloxacin




ofloxacin


Neisseria
-, c
penicillin G

chloramphenicol
meningitidis



cefuroxime




3rd generation




cephalosporins
Nocardia
+, r, a, f
sulfonamide
erythromycin
minocycline
asteroides

TMP/SMX


Pasteurella
-, r
penicillin G

tetracycline
multocida




Peptococcus
+, c
penicillin G

clindamycin




cefotetan, cefoxitin,




tetracycline,




amoxicillin/




clavulanate,




pipericallin/




tazobactam,




piperacillin
Peptostreptococcus
+, c
penicillin G

clindamycin




cefotetan, cefoxitin,




ticarcillin/




clavulanate




amoxicillin




clavulanate,




pipericallin/




tazobactam,




piperacillin
Propioibacterium
+, r
tetracycline

clindamycin
acnes



minocycline
indole positive
-, r
3rd generation

cefoxitin
Proteus

cephalosporins

piperacillin


aminoglycoside




ciprofloxacin




ofloxacin




ticarillin/




clavulanate




piperacillin/




tazobactam


Proteus
-, r
ampicillin

cephalosporin
mirabilis



ciprofloxacin




ofloxacin




piperacillin/




tazobactam
Providencia
-, r
3rd generation

cefoxitin


cephalosporins

piperacillin


aztreonam

ticarcillin


aminoglycoside

piperacillin/


ciprofloxacin

tazobactam


ofloxacin


Pseudomonas
-, r
tobramycin or


aeruginosa

gentamicin or




aztreonam +




piperacillin or




ticarcillin/




clavulanate or




piperacillin/




tazobactam




cefoperazone




ceftazidime




ciprofloxacin




ofloxacin


Pseudomonas
-, r
TMP/SMX

chloramphenicol
cepacia

ceftazidime


Rickettsia
-, c-b
tetracycline

chloramphenicol
Salmonella
-, r
ampicillin

TMP/SMX


ciprofloxacin




ofloxacin


Salmonella
-, r
same as above

chloramphenicol
typhi



TMP/SMX
Serratia
-, r
3rd generation

ciprofloxacin


cephalosporins

ofloxacin


aztreonam

piperacillin/


piperacillin +

tazobactam


aminoglycoside


Shigella
-, r
ampicillin

tetracycline


ciprofloxacin

TMP/SMX


ofloxacin


Spirillum
-, r
penicillin

tetracycline
Staphylococcus
+, c
naficillin
aminoglycoside
cephalosporin
aureus

oxacillin

vancomycin
(penicillinase



ciprofloxacin
producing)



ofloxacin




clarithromycin




azithromycin




amoxicillin/




clavulanate




ticarcillin/




clavulanate




piperacillin/




tazobactam
Staph aureus
+, c
vancomycin
rifampin (?)
TMP/SMX
(methicillin-




resistant)




Staphylococcus
+, c
naficillin


epidermis

oxacillin




vancomycin


Staphylococcus
+, c
vancomycin
rifampin or

epidermis


gentamicin

(methicillin-




resistant)




Streptococcus
+, c
penicillin G
aminoglycoside
erythromycin
agalactiae




Streptococcus
+, c
penicillin G

cephalosporin
bovis



clindamycin
Streptococcus
+, c
penicillin G

erythromycin
pneumoniae

vancomycin

clindamycin




clarithromycin




azithromycin




cephalosporin




amoxicillin/




clavulanate




ticarcillin/




clavulanate




ofloxacillin




piperacillin/




tazobactam
Streptococcus
+, c
penicillin

same as above
pyogenes




Streptococcus
+, c
penicillin G
gentamicin
cephalosporin
viridans



vancomycin




clindamycin
Treponema
-, s
penicillin G

erythromycin
pallidum



tetracycline
Ureaplasma

tetracyclines

erythromycin
urealyticum



ofloxacin
Vibrio
-, r
tetracycline

fluids
cholerae




Vibrio
-, r
tetracycline

TMP/SMX
vulnificus

quinolones


Yersinia
-, r
aminoglycoside

quinolones
enterocolitica

TMP/SMX


Yersinia
-, r
streptomycin
tetracycline
chloramphenicol
pestis









Fungi





Aspergillus


amphotericin B
tetracycline
flucytosine




itraconazole
Blastomyces

amphotericin B

itraconazole
dermatitidis




Candida

amphotericin B

fluconazole




flucytosine




ketoconazole




itraconazole
Coccidioides

amphotericin B

ketoconazole
immitis



itraconazole
Cryptococcus

amphotericin B
flucytosine
fluconazole
neoformans



itraonazole
Chromoblastomyces

ketoconazole

amphotericin B
dermatophytes

clotrimazole




ketoconazole


Fusarium

amphotericin B
rifampin

Histoplasma

amphotericin B

itraconazole




fluconazole
Mucormycosis

amphotericin B


Paracoccidioides

ketoconazole
amphotericin B

Penicillium

amphotericin B


Sporotrichum

iodide

itraconazole




amphotericin B
Phialophora

ketoconazole


Data from: Conte & Barriere 1992; Isada et al. 1994; Murray 1996; Myers 1995. You should check the most recent publications for newer indications and/or warnings!!! Legends: +: Gram positive, -: Gram negative, r: rod, c: cocci, c-b: cocci-bacillus, a: acid-fast, f: filamentous, s: spiral