Infant dose by Fried's rule

6. Patient-based Dose 6.1) Pediatric dose 6.1.4) Fried�s rule

6.1.4.1) Infant dose calculation Easy 2


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The average adult dose of a medication is 100 mg. What is the appropriate dose for a child who is 10 months old


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lb equals 6.67 mg kg

Here Adult dose = 100 mg
Age = 10 months

Fried's rule for an infant, based on age:

Child dose ` =(AGE \quad (IN \quad MONTHS))/(150) × ADULT \quad DOSE \quad (mg)`
`\quad\quad\quad\quad\quad\quad\quad\quad = (10)/(150) × 100 \quad mg`
`\quad\quad\quad\quad\quad\quad\quad\quad = 6.67 \quad mg` Ans.