Loperamide

CLINICAL USE

Antidiarrhoeal agent

DOSE IN NORMAL RENAL FUNCTION

4 mg stat, then 2 mg after each loose stool; maximum 16 mg daily

PHARMACOKINETICS

Molecular weight :513.5

%Protein binding :80

%Excreted unchanged in urine :

<10 :

Volume of distribution (L/kg) :No data

half-life – normal/ESRD (hrs) :9–14/–

DOSE IN RENAL IMPAIRMENT

GFR (mL/MIN)

20 to 50 : Dose as in normal renal function

10 to 20 : Dose as in normal renal function

<10 : Dose as in normal renal function. Maximum dose usually 12 mg daily depending on tolerability

DOSE IN PATIENTS UNDERGOING RENAL REPLACEMENT THERAPIES

CAPD :Unlikely to be dialysed. Dose as in GFR <10 mL/min

HD :Unlikely to be dialysed. Dose as in GFR <10 mL/min

HDF/high flux :Unknown dialysability. Dose as in GFR <10 mL/min

CAV/VVHD :Unlikely to be dialysed. Dose as in normal renal function

IMPORTANT DRUG INTERACTIONS

Potentially hazardous interactions with other drugs

None known

ADMINISTRATION

Reconstition

–

Route

Oral

Rate of Administration

–

Comments

–

OTHER INFORMATION

In normal doses loperamide may cause excessive drowsiness in CKD 5

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