I løbet af ugen efter infusionen udskilles 92 til 98% af gemcitabin, heraf udskilles 99% i urinen, hovedsageligt i form af dFdU og 1% af dosis udskilles i fæces.
During the week following administration, 92 to 98% of the dose of gemcitabine administered is recovered, 99% in the urine, mainly in the form of dFdU and 1% of the dose is excreted in faeces.