1 year old child weights 22lbs dose required is 40mg/kg/day divided BID available is 400mg/5ml
STEP#1-Divide lbs by 2.2
EXAMPLE: 22lb/2.2= 10kg
STEP#2-Determine TDD by multiplying kg * amount ordered
EXAMPLE: 10kg*40mg= 400mg (TDD)
STEP#3-Determine ID divide TDD by how often to be given
EXAMPLE: 400/2=200mg (ID)
STEP#4- Available over Ordered
EXAMPLE: 400=5
200=X
STEP#5- cross muilitply
EXAMPLE:200*5=1000 400X=1000 X=1000/400=2.5 ml