ID Flashcards
Mammal/human bite tx
- Amp/Sulbactam and then Amox/Clavulanic acid
- clinda + fluoroquinolone
- clinda+bactrim
clindamycin uses
tx lung abscesses and femle genital tract infxns
Legionnaire dz tx
erithryomycin, CAP
bacterial meningitis empiric tx
IV ceftriaxone + vancomycin
Pseudomonas tx
- imipenem/cilastatin
- cipro
- cefepime (4th gen cephs)
- gentamicin (AG)/amikacin/tobramycin
- aztreonam
- pip/tazobactam
CF with Pseudomonas infxn tx
- multi-drug tx
- ceftazidime (3rd gen) or ticarcillin + gentamicin
endocarditis tx
beta lactam + AG
pharyngitis tx
beta-lactam: PCN, amox
Group A strep
Lyme dz tx - nonpregnant
doxy
Lyme dz tx - pregnant and <8yo
amox
Scarlet fever tx
PCN V
gp A strep
erythro, first gen ceph, clinda
cocci tx
fluconazole
histo and blasto tx
itraconazole
toxo
pyrimethamine, sulfadiazine, clinda
why is cipro avoided in children?
cartilage destruction and growth retardation
cellulitis tx
oral cephalosporins (cefazolin) or nafcillin
-Staph aureus, GAS
Necrotizing fasciitis empiric tx
- DEBRIDEMENT!
- imipenem or meropenem +/- vancomycin
- If strep or clostridia: PCN G + clinda
Whipple dz tx
TMP-SMX x 1 yr
Abx to avoid in pregnancy
doxycycline
fluoroquinolone!
TMP-SMX
UTI tx in pregnancy
- amoxicillin
- nitrofurantoin
- cephalexin
GBS pregnancy tx
IV beta-lactams (PCN, amp)
PCN allergic but only rash: cefazolin
PCN allergic w/ anaphylaxis: clinda, erythromycin, vanc
IE tx
beta-lactam + AG
Pertussis tx
Macrolide (erythro, azithro, clarithro) whenever suspected
pneumovax vaccine indications
all > 65
<65 if smoker, immunocomp, DM, chronic lung or heart dz, asplenia
-revaccinate after 5 years if IC or asplenia
Nocardia asteroides
gram positive, partially acid-fast, filamentous/branching aerobe in soil
TMP SMX = tx
-wt loss, fever, nt sweats, pulm
Actinomyces tx
PCN G
impetigo tx
- oral erythro, dicloxacillin, cephalexin, clinda
- TOPICAL mupirocin
tx lyme dz/RMSF/erhlichiosis in pregnancy
chloramphenicol
Common gram negative bacteria causing PNA
E coli, Klebsiella, Pseudomonas, Enterobacter, Proteus, Serratia, Acinetobacter
-usually infants, elderly, alcoholics, IC (neutropenia)
MOE tx
psuedomonas –> cipro
IE ppx
single dose amox
Who gets IE ppx
prosthetic valve, prior IE, unrepaired congenital heart defect
PCP tx if PaO2<70
TMP AND ORAL PREDNISOLONE!!
tx for cervicofacial actinomycosis
high-dose PCN 6-12 weks
Blastomycosis
Ohio (South central, North central)
-lungs, skin, bones, joints, prostate
Histoplasmosis
Southeast, mid-Atlantic, central US
-PNA, HIV
Febrile neutropenic pts empiric tx
ceftazidime (3rd) or cefepime or imipenem or meropenem