A set of simple aids to drug dosage adjustment in renal insufficiency.

A set of graphical aids to drug dosage adjustment is presented, consisting of 1) a nomogram for evaluation of the dosage adjustment factor; 2) a nomogram for estimation of the creatinine clearance from the serum creatinine level; 3) decision tables for selection of a clinicaly acceptable adjustement of the dosing regimen. An example of the utilization of the set is demonstrated in comparison with the usual procedures of dosing regimen adjustment