- Use the Ideal Body Weight (IBW) when prescribing in obese and overweight children
- 24% of Australian children are overweight or obese (overweight 17%; obese 8%) (AIHW 2019)
- Paediatricians can improve their prescribing habits in this regard.(Collier 2017 ADC)
- IBW can be calculated via a variety of methods:
- Moore method – ascribing the IBW as the weight percentile corresponding to the child’s height percentile.
- McLaren Method – using the 50th percentile weight for the child’s height
- Nomogram (Callaghan 2015) – which is available here
- DFTB has a nice succinct list of medications where dose calculation needs particular care.
- There is ongoing discussion about which method is best (Moylan 2019 JAMA Pediatrics)
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