A 5-year-old boy is noted to have difficulty paying attention in school, excessive fidgeting, frequently interrupting others, and impulsive behaviour across both home and school settings for over 6 months. Cognitive testing is normal. The most appropriate first-line management in a 5-year-old is:
- A Methylphenidate 0.3 mg/kg/dose BID
- B Atomoxetine 1.2 mg/kg/day
- C Behavioural parent training and classroom behavioural interventions ✓
- D Risperidone for impulse control
Correct answer: C. Behavioural parent training and classroom behavioural interventions
Explanation
For children younger than 6 years with ADHD, evidence-based behavioural interventions (parent training in behaviour management and school-based interventions) are the first-line treatment per AAP 2019 guidelines. Pharmacotherapy (methylphenidate) is recommended only when behaviour therapy has not provided adequate response in preschool children; it carries higher risk of side effects in this age group. Atomoxetine and risperidone are not first-line for ADHD at age 5.
Reference: Ghai Essential Pediatrics, 10th ed.
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