3 Rules when calculating dosage

Question 1

Fried’s rule

Answer 1

(child’s age in months divided by 150)( multiple the answer by the adult dose

Question 2

Young’s rule

Answer 2

(child’s are in years divided by child’s age in years plus 12 years) (multiply the answer by the adult dose)

Question 3

Clark’s rule

Answer 3

(child’s weight in pounds divided by 150lbs)(multiply the answer by the adult dose)