midterm 1 doses Flashcards
penicillin VK
250-500 gm PO QID
zosyn
3.375-4.5 mg IV qh6
amoxicillin
250-500 mg PO q8h
amoxicillin/clavulanic acid
875 mg po BID
cefazolin
1-2 gm IV q8h
cephalexin
250-500 mg PO q6h
ceftriaxone (non CNS infection)
1-2 gm IV q24h
ceftriaxone (CNS infection)
2 g IV q12h
cefdinir
300 mg PO BID
cefepime
1-2 gm IV q8-12 hr
ertapenem
1 gm IV q24h
azithromycin (respiratory tract infection)
500 mg PO/IV on day 1, 250 mg PO/IV on days 2-5
azithromycin with gonococcal/non-gonococcal STD
1 g PO once
ciprofloxacin PO
250-750 mg PO BID
ciprofloxacin IV
400 mg IV q8-12h
levofloxacin
250-750 mg IV/PO qday
bactrim strengths
DS is 400 mg SMX/80mg TMP and SS is 800 mg SMX/160 mg TMP
bactrim dosing for UTI
1 DS PO BID
clindamycin
300-450 mg PO q6-8 hr
metronidazole
500 mg IV/PO q8-12h
linezolid
600 mg PO q12h
what weight do you use for aminoglycosides
actual if ABW<IBW, IBW if ABW>IBW, adjBW if obese
initial aminoglycoside once daily dosing
7 mg/kg (round to nearest 10?)
aminoglycoside initial dose interval based on CrCl
at least 60 (q24h), 40-59 (q36h), 20-39 (q48h), less than 20 (monitor and administer next dose when <1 mcg/ml)
how to use the hartford nomogram for amikacin
measure the concentration, then divide by 2 and use the graph to adjust interval
multiple-daily dosing for aminoglycoside
CrCl above 50, 1.7-2 mg/kg q8h
synergistic aminoglycoside dosing
assume normal renal function, 1mg/kg IV q8h
initial vancomycin dosing
15-20 mg/kg IV q 8-12h and round to nearest 250mg
weight to use for vancomycin
non-obese is ABW, obese is adjBW
macrobid
100 mg po BID
macrodantin
100 mg po BID
fluconazole normal and susceptible dose-dependent Candida
100-400 mg IV/PO qday; candida= 12 mg/kg or 800 mg/day
drugs and dosing for bacterial meningitis caused by L. monocytogenes
ampicillin 2g IV q4h+gentamicin 1.5 mg/kg IV q8h OR PCN G 4 MU IV q4h + gentamicin 1.5 mg/kg IV q8hr
drugs and dosing for bacterial meningitis caused by S. pneumoniae
ampicillin 2g IV q4hr OR PCN G 4 MU IV q4h OR ceftriaxone 2g IV q12h
drugs and dosing for bacterial meningitis caused by N. meningitidis
ampicillin 2 IV q4h OR PCN G 4 MU IV q4h OR ceftriaxone 2g IV q12h
dexamethasone
used if bacterial meningitis is suspected and continue if pneumococcal disease is confirmed: 0.15 mg/kg IV q6h for 4 days (use in empiric therapy)
acyclovir (bacterial meningitis)
use empirically for if meningitis is suspected because it could be from HSV : 10mg/kg IV q8h with IBW
acyclovir (viral encephalitis)
caused by HSV start with 10mg/kg IV q8h for 14-21 days with IBW
ampicillin
1-2 grams IV q4-6 h