Gentamicin Surgical Prophylaxis Dosing Guidelines

exp date isn't null, but text field is

  • Prophylactic gentamicin dosing is based on patient height and approximates to 5mg/kg/ideal body weight, capped at 400mg.
  • Doses of gentamicin can be given by slow IV injection over 3-5 minutes.
  • Patients receiving aminoglycosides as a slow IV bolus should be closely monitored for other signs of extravasation or infiltration e.g. swelling, redness, coolness or blanching at the cannula insertion site.
  • Avoid gentamicin if eGFR <20mls/min/1.73m2: seek advice on alternative from microbiology. In renal transplant patients avoid gentamicin and seek advice from microbiology or renal team.
Height ranges (cm) Gentamicin Dose (mg)  Males  Gentamicin Dose (mg) Females
142 -146 240 200
147 -154 280 240
155-164 320 280
165-174 360 320
≥ 175 400 400