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Ampicillin

Sex

Normal Dose
(Full dose)

1-2 gm q 6 h 

Conditions
Dose
CrCl > 50 ml/min
1 - 2 g IV q6h
CrCl 30-50 ml/min
1 g IV q6-8h
CrCl 10-30 ml/min
1 g IV q8-12h
CrCl < 10 ml/min
1 g IV q12h
Hemodialysis
1 g IV q8-12h (AD on dialysis days)
CAPD
1-2 gm q12h
CRRT
1-2 gm q8-12h
SLED
No data
Conditions
Dose
CrCl > 50 ml/min
2 g IV q4h
CrCl 30-50 ml/min
2 g IV q6-8h
CrCl 10-30 ml/min
2 g IV q8-12h
CrCl < 10 ml/min
2 g IV q12-24h, 1 g IV q8h
Hemodialysis
2 g IV q12-24h (AD on dialysis days)
CAPD
1-2 gm q12h
CRRT
1-2 gm q8-12h
SLED
No data

The Cockcroft-Gault equation may yield inaccurate estimates based on a patient's body weight and BMI. By including additional height information, we can calculate BMI and provide a modified estimate and range. 

 

- Underweight: For a BMI of 18.5 or less, use the actual body weight for calculations.

- Normal Weight: Use the ideal body weight for calculations.

- Overweight/Obese: For a BMI of 30 or higher, use the adjusted body weight for calculations.

Calculation Steps

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how the calculator work

©2023 BY Piti Niyomsirivanich, MD. (Personal website)

 

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