Gentamicin Dose Calculator written by Tim Hills QMC Nottingham UK

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Once Daily Gentamicin in Adults Dose Calculator

NB this is not suitable for patients with extensive third spacing of fluid (e.g. ascites or oedema)

Height	centimetres Click here if height is in feet and inches
Weight (complete both stone and pounds)	stone pounds Click here if weight is in kilograms
Age	Years
Serum Creatinine	μmol/L
Sex (M or F)
Calculated creatinine clearance	0.00ml/min
Dose Determining Weight	0.00kg
Recommended Once Daily Gentamicin regimen	0mg/kg
Recommended initial Once Daily Gentamicin dose	0mg

Information here on assays/monitoring once daily gentamicin.
This calculator combines renal function (based on the Cockcroft-Gault formula) ideal and actual body weight to suggest a suitable initial dose for once daily gentamicin suitable in obese and non-obese patients. In non-obese patients actual body weight is used, for obese patients a "dose-determining weight" is calculated. Recommended doses may be given without the usual ceiling doses.
It should NOT be used for other gentamicin regimens (i.e. BD or TDS dosing regimens).
This calculator will not produce reliable results in patients who are anuric or in acute renal failure. Advice should be sought from your ward pharmacist or medicines information.

Page last edited: 29/08/2007

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