[ADHD in preschoolers and early parent training interventions].

ADHD is a prevalent neuro-developmental disorder, and with onset often occurring in early childhood. It impacts daily functioning across a range of domains and is predictive of long-term burden to families as well as health, social, education and criminal justice systems. Parent training (PT) is recommended as first-line treatment for pre-school children with ADHD. This review outlines the clinical presentation of preschool ADHD and presents the evidence for three different PT programmes available in Denmark and evaluated in RCTs with preschoolers.