26th February 2024

A 1-year-old infant is brought to the paediatric emergency department with vomiting and fatigue for the past 12 hours.

A 1-year-old infant is brought to the paediatric emergency department with vomiting and fatigue for the past 12 hours. He has not been feeding properly and has been very withdrawn. He has known Addison’s disease. The paediatrician decides to administer IV dexamethasone stat. The starting dose is 250mcg/m². The infant’s weight and height are measured to be 9kg and 75cm.

The formula used to calculate body surface area is BSA (m²) = (height (cm) x weight (kg)/3600)^½

What dose of dexamethasone is required for this patient (1dp)?