Why this dosing guide versus free references online? 

Pain and Fever Medication Dosing Guide for Infants and Children: For Providers and Caregivers a.co/d/03fQEZeP
Free dosing references online will give a weight range for doses of common OTC pain/fever medications. You could be dosing your child with the highest or lowest dose within their weight range and it may not be effective. This dosing guide breaks it down pound-for-pound to give exact doses for your child!