Child dose by clark's rule

6. Patient-based Dose 6.1) Pediatric dose 6.1.5) Clarks rule Child dose based on weight of child Easy 1

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A 73 lb child has to be prescribed a drug. if the adult dose is 400 mg , Calculate the child's pediatric dose in milligrams.

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lb equals 194.67 mg kg

Here Adult dose = 400 mg
Weight of the child = 73 lb = 33.142 kg

Clark's rule, based on weight:

Child dose ` =(Weight \quad (lb))/(150) × ADULT \quad DOSE \quad (mg)`
`\quad\quad\quad\quad\quad\quad\quad\quad = (73)/(150) × 400 \quad mg = 194.67 \quad mg` Ans.