The influence of hepatic and renal impairment on the pharmacokinetics of the medicinal product has not been evaluated, however, when administered intravenously the clearance of fentanyl has been shown to be altered in hepatic and renal impairment due to alterations in metabolic clearance and plasma proteins.
Laskimoon annetun fentanyylin puhdistuman on kuitenkin todettu muuttuvan, jos potilaalla on maksan tai munuaisten vajaatoiminta, sillä metabolinen puhdistuma ja plasman proteiinitasapaino muuttuvat.