How does Fried’s Rule calculate infant dosing based on age?

Fried’s Rule is specifically designed to provide a formula for calculating appropriate medication dosages for infants and young children based on their age in months. The rule states that the dose of medication for a child can be determined by dividing the child's age in months by 150. This method helps to estimate the dosage for a child by creating a ratio that considers their age, which is a crucial factor in pediatric dosing as it closely correlates with metabolic rate and body surface area in younger patients.

Using this approach ensures that the dosage is tailored to an infant's developmental stage, promoting safety and efficacy in medication administration. This makes it distinct from the other methods mentioned, which either do not account for age in a relevant manner or suggest a general approach that fails to provide the precision needed for such vulnerable populations.