| Pediatric Dosage Calculations Formulas 1. Clark’s formula: 2. Dilling’s formula: 3. Fried’s formula: 4. Young’s formula: 5. Cowling’s formula: 6. Bastedo’s Formula: 7. Calculation based on body surface area: |
1. Clark’s formula:
Table of Contents
Child’s dose = weight in (lbs)/150 x Adult dose
Child’s dose = weight in (kg)/70 x Adult dose
2. Dilling’s formula:
- Used for calculating a dose of a child from 12-20 years of age.
Child’s dose = Age in years /20 x Adult dose
3. Fried’s formula:
- Used for calculating a dose of an infant up to 24 months of age.
Child dose = Age in months /150 x Adult dose
4. Young’s formula:
- Used for calculating a dose of a child from 1-12 years of age.
Child dose = Age in years/Age + 12 x Adult dose
5. Cowling’s formula:
Child’s dose = Age at next birthday/24 x Adult dose
6. Bastedo’s Formula:
Child’s dose = Age in Years/ 30 x Adult dose
7. Calculation based on body surface area:
Child’s dose = body surface area of the child/1.73 sq. m x Adult dose
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