Infant dose by Fried's rule

6. Patient-based Dose 6.1) Pediatric dose 6.1.4) Friedís rule

6.1.4.1) Infant dose calculation Easy 2


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If an adult's dose for a particuler drug is 1000 mg, what would be the dose for a 7 month old infant?


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lb equals 46.67 mg kg

Here Adult dose = 1000 mg
Age = 7 months

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

Child dose ` =(AGE \quad (IN \quad MONTHS))/(150) √ó ADULT \quad DOSE \quad (mg)`
`\quad\quad\quad\quad\quad\quad\quad\quad = (7)/(150) √ó 1000 \quad mg`
`\quad\quad\quad\quad\quad\quad\quad\quad = 46.67 \quad mg` Ans.


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