Pediatric Dosage Rule , Pediatric Dosing Rule , Calculate Pediatric Dosing -- e-Tools Age

Pediatric Dosage Rule

Most reference manuals for medications focus primarily on the adult dosages. But children can require very different medication doses compared to adults. In order to calculate Pediatric Dose, several different rules such as Nomogram Method, Fried’s Rule, Young’s Rule and Clark’s Rule may be used to determine the correct dosage of medication for a pediatric patient.


Pediatric Dosing Calculator	General Pediatric Dosage Chart	Pediatric Dosage Rule

1.Nomogram Method
The Nomogram method is utilized to determine the correct pediatric medication dosage based on body surface area(BSA).It takes into consideration the person's body surface area in meters square with 1.73 m² being the surface area of the average adult (150-154 lbs).Because it is formulated on the patient's height and weight, The Nomogram method is the best method.

Child's dose=Child's BSA in m² x Adult Dosage/1.73

If the height and weight of the patient are known, you can calculate the child's BAS at this line: Body Surface Area Calculator.

2.Clark's Rule
Clark's Rule is An obsolete rule for an approximate child's dose, Clark's Rule is not used clinically but it is a favorite dosage calculation formula for pediatric nursing instructors.It determines the approximate dose of

medicine appropriate for a child two years of age or older by dividing the child's weight in pounds by 150 and multiplying the result by the adult dose.

Child's dose=weight of child (in lbs)x Adult Dosage/150

3.Young's Rule
A rule for calculating the dose of medicine correct for a child by adding 12 to the child's age, dividing the sum by the child's age, then dividing the adult dose by the figure obtained.

Child's dose=age of child(in years)x Adult Dosage/(age+12)

4.Fried's Rule
A method of estimating the dose of medication for a child by multiplying the adult dose by the child's age in months and dividing the result by 150.Fried's rule is generally reserved for use in children less than two years of age.

Child's dose=age of child(in months) x Adult Dosage/150

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