Aminoglycoside Extended Interval Dosing Calculator

Calculate gentamicin or tobramycin extended-interval (once-daily) dose using weight-based dosing (5–7 mg/kg) with Hartford nomogram for subsequent dose interval adjustment.

Weight
Height
Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How It Works

Calculate gentamicin or tobramycin extended-interval (once-daily) dose using weight-based dosing (5–7 mg/kg) with Hartford nomogram for subsequent dose interval adjustment

Each component has a specific meaning:

  • Weight-based dosing — The weight-based dosing recorded for the scenario being assessed.

Note: Interpret the aminoglycoside eid result against the thresholds and context described above.

How to Use

Enter the weight-based dosing for the scenario you are assessing. Calculate gentamicin or tobramycin extended-interval (once-daily) dose using weight-based dosing (5–7 mg/kg) with Hartford nomogram for subsequent dose interval adjustment. Use the aminoglycoside eid result to inform your calculation.

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