Child dose by young's rule

6. Patient-based Dose 6.1) Pediatric dose 6.1.2) Young�s rule Child dose calculation Easy 1

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An over-the-counter cough remedy contains 1500 mg of dextromethorphan in a 60-mL bottle of product. The label states the dose as 1`1/2` teaspoonfuls for a child 4 years of age. How many milligrams of dextromethorphan are contained in the child’s dose?

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lb equals 375.00 mg kg

Here Adult dose = 1500 mg
Age = 4 yr

Young’s rule, based on age:

Child dose ` =(AGE)/(AGE + 12) × ADULT \quad DOSE \quad (mg)`
`\quad\quad\quad\quad\quad\quad\quad\quad = (4)/(4 + 12) × 1500 \quad mg = 375.00 \quad mg` Ans.