ID Tx Flashcards
(35 cards)
CAP
Azithromycin or clarithromycin or fluoroquinolones
(cover atypicals)
If > 60 yo can use cephalosporin b/c less chance atypicals
Vent-Associated Pneumonia
1- cefepime, pip-tazo OR imipenem
2- aminoglycoside or fluoroquinolone
3- linezolid or vanc
Tb
2 mo - RIPE, then 4 mo rifampin and ING only
If pos PPD w/o active disease … 9 mo INH for ppx
**Give pyridoxine w/ INH
Meningitis
Ceftriaxone + Vanc (ADD ampicillin ifinfant < 3 mo or > 50 yo)
+ steroids if cerebral edema present
Encephalitis
CMV - ganciclovir or foscarnet
HSV - acyclovir 2-3 wks
Chronic Hep C
IFN-alpha and ribavirin
New genotype specific tx
Chronic Hep B
Interferon - alpha and lamivudine
Uncomplicated UTI
Bactrim 3 days
Fosfomycin sngl dose
Nitrofurantoin 5-7 days
Cipro 3 days
UTI In Preg Women
amp, amox or oral cephalosporin x 7-10 days
Pyelonephritis
IV amp + gentamicin
OR IV cipro
Switch to 14 to 21 day course oral abx once afebrile 24 hrs
Prostatitis
Mild - Bactrim, fluoroquinolone 4-6 wks
Septic - IV abx
Chlamydia
Azithromycin x1 or doxy x 7 days
Gonorrhea
Ceftriaxone IV or IM x 7 days + tx for chlamydia
HIV PPX
PCP - give Bactrim once CD4 < 200
MAC - give azithromycin once CD4 < 100
Toxo - Bactrim once < 100
HSV
No cure, acyclovir 7-10 days for symptoms and as ppx
Syphilis
PCN G (1 dose IM)
If allergic to PCN, oral doxy x 2 wks
If latent or tertiary give PCN 3 doses IM once a wk then recheck non-treponemal tests every 3 mo (titers should dec 4-fold in 6 mo)
Chancroid
Azithromycin or ceftriaxone
Lymphogranuloma Venereum
21 days of doxy
Cellulitis
Oxacillin, nafcillin or cefazolin IV –> switch once signs of infection improve –> 2 wks oral
Tetanus
Diazepam for tetany
Sngle dose of tetanus immunoglobulin
Active tetanus-diphtheria toxoid shot
Osteomyelitis
Cefazolin, ceftriaxone, cefuroxime (bone penetration)
vanco, linezolid, clindamycin
Lyme
Oral doxy 21 days (amox or cefuroxime if pregnant)
Rocky Mt Spotted Fever
Doxy 7 days
Malaria
Chloroquine (unless resistant)
Then quinine sulfate and tetracycline (IV if falciparum)
Primaquine for dormant hypnozoites