hyoscine butylbromide

CLINICAL USE


Symptomatic relief of gastrointestinal or genitourinary disorders due to smooth muscle spasm

DOSE IN NORMAL RENAL FUNCTION

Oral: 20 mg 4 times a day Irritable bowel syndrome: 10 mg 3 times a day, increasing to 20 mg 4 times a day if requiredIV/IM: 20 mg repeated after 30 minutes if required; maximum 100 mg daily

PHARMACOKINETICS

  • Molecular weight &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp :440.4
  • %Protein binding &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp :10
  • %Excreted unchanged in urine &nbsp &nbsp : 1–2
  • Volume of distribution (L/kg) &nbsp &nbsp &nbsp :No data
  • half-life – normal/ESRD (hrs)&nbsp &nbsp &nbsp :8

    DOSE IN RENAL IMPAIRMENT

    GFR (mL/MIN)

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

    DOSE IN PATIENTS UNDERGOING RENAL REPLACEMENT THERAPIES

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

  • HD &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp &nbsp :Dialysed. Dose as in normal renal function
  • HDF/high flux &nbsp :Dialysed. Dose as in normal renal function
  • CAV/VVHD &nbsp &nbsp &nbsp:Not Dialysed. Dose as in normal renal function

    IMPORTANT DRUG INTERACTIONS

    Potentially hazardous interactions with other drugs
  • None known

    ADMINISTRATION

    Reconstition

    Route

    Oral, IV, IM

    Rate of Administration

    Comments

    OTHER INFORMATION

    Only 2–8% of oral dose is absorbed