CLINICAL USE

Antibacterial agent

DOSE IN NORMAL RENAL FUNCTION

Loading dose: 400 mg every 12 hours for 3 doses, thenIM/IV: 200–400 mg daily, or 3–6 mg/kg/day (up to 10 mg/kg/day in some reports) in life threatening infections

PHARMACOKINETICS

  • Molecular weight                           :1875–1891
  • %Protein binding                           :90–95
  • %Excreted unchanged in urine     : >97
  • Volume of distribution (L/kg)       :0.94–1.4
  • half-life – normal/ESRD (hrs)      :150/62–230

    DOSE IN RENAL IMPAIRMENT

    GFR (mL/MIN)

  • 20 to 50     : Give normal loading dose, then dose as in normal renal function
  • 10 to 20     : Give normal loading dose, then 200–400 mg every 24–48 hours
  • <10           : Give normal loading dose, then 200–400 mg every 48–72 hours

    DOSE IN PATIENTS UNDERGOING RENAL REPLACEMENT THERAPIES

  • CAPD                :Not dialysed. Dose as in GFR <10 mL/min
  • HD                     :Not dialysed. Dose as in GFR <10 mL/min
  • HDF/high flux   :Dialysed.1 Dose as in GFR <10 mL/min
  • CAV/VVHD      :Unknown dialysability. Dose as in GFR 10 to 20 mL/min

    IMPORTANT DRUG INTERACTIONS

    Potentially hazardous interactions with other drugs

  • None known

    ADMINISTRATION

    Reconstition

    Use water for injection provided

    Route

    IV, IM

    Rate of Administration

    IV bolus: 2–3 minutes;

    IV infusion

    : 30 minutes

    Comments

    USE IN

  • CAPD                : Give 400 mg IV stat dose, then 20 mg/L/ bag IP for 7 days, then 20 mg/L/alternate-bag for 7 days, then 20 mg/L/night-bag only for 7 days

    OTHER INFORMATION

    TDM optimises therapy, but not essential. Troughs not less than 10 mg/L. Peaks 1 hour after:

  • 20 to 50     : mg/LRelationship between blood level and toxicity not establishedLong-term concurrent use of gentamicin and teicoplanin causes additive ototoxicity
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