Calcium carbonate

CLINICAL USE

  • Phosphate binding agent
  • Calcium supplement

    DOSE IN NORMAL RENAL FUNCTION

    Dose adjusted according to serum phosphate and calcium levels

    PHARMACOKINETICS

  • Molecular weight &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp :100.1
  • %Protein binding &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp :40
  • %Excreted unchanged in urine &nbsp &nbsp : –
  • Volume of distribution (L/kg) &nbsp &nbsp &nbsp :–
  • half-life – normal/ESRD (hrs)&nbsp &nbsp &nbsp :–

    DOSE IN RENAL IMPAIRMENT

    GFR (mL/MIN)

  • 20 to 50 &nbsp &nbsp : Dose as in normal renal function. Titrate to response
  • 10 to 20 &nbsp &nbsp : Dose as in normal renal function. Titrate to response
  • <10 &nbsp &nbsp &nbsp &nbsp &nbsp : Dose as in normal renal function. Titrate to response

    DOSE IN PATIENTS UNDERGOING RENAL REPLACEMENT THERAPIES

  • CAPD &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp:Unknown dialysability. Dose as in normal renal function

  • HD &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp :Unknown dialysability. Dose as in normal renal function
  • HDF/high flux &nbsp :Unknown dialysability. Dose as in normal renal function
  • CAV/VVHD &nbsp &nbsp &nbsp:Unknown dialysability. Dose as in normal renal function

    IMPORTANT DRUG INTERACTIONS

    Potentially hazardous interactions with other drugs
  • Can impair absorption of some drugs, e.g. iron, ciprofloxacin

    ADMINISTRATION

    Reconstition

    Route

    Oral

    Rate of Administration

    Comments

    Take with or immediately before meals

    OTHER INFORMATION

  • Monitor for hypercalcaemia particularly if patient is also taking alfacalcidol
  • Calcichew contains 1250 mg calcium carbonate (500 mg elemental calcium)Calcium 500 contains 1250 mg calcium carbonate (500 mg elemental calcium)
  • Cacit contains 1250 mg calcium carbonate (500 mg elemental calcium).