Formula used in Calculation of Paediatric Dose

Formula used in Calculation of Paediatric Dose

1. Clark's formula: 


Child's dose = weight in (lbs)/150 × Adult dose 


Child's dose = weight in (kg)/70 × 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 × 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 × 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 × Adult dose 


5. Cowling's formula: Child's dose = Age at next birthday/24 × Adult dose 


6. Bastedo's Formula: Child's dose = Age in Years/ 30 × Adult dose 


7. Calculation based on body surface area:  


Child's dose = body surface area of the child/1.73 sq. m × Adult dose

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