Attention-deficit/hyperactivity disorder (ADHD) is a pattern of inattention or hyperactive-impulsive behaviour, or both, that interferes with how a child functions or develops.

A child with ADHD who has problems with attention may often:

  • Fail to pay close attention to details or make careless mistakes in schoolwork or other activities
  • Have trouble paying attention during tasks or play
  • Not seem to listen when spoken to directly
  • Not follow through on instructions and fail to finish schoolwork or chores
  • Have trouble organizing tasks and activities
  • Avoid, dislike or hesitate to engage in tasks that require concentration, such as schoolwork
  • Lose things needed for tasks or activities, such as toys, pencils or books
  • Be easily distracted
  • Be forgetful in daily activities

A child with ADHD who has problems with hyperactive or impulsive behavior may often:

  • Fidget with hands or feet or squirm in his or her seat
  • Leave a seat during class or in other situations when expected to remain seated
  • Run or climb in situations when it's inappropriate
  • Have difficulty playing or engaging in leisure activities quietly
  • Have trouble sitting still and may need to be "on the go"
  • Talk too much
  • Blurt out answers before questions have been finished
  • Have trouble taking turns
  • Interrupt conversations or intrude on games or other activities

Credit: Mayo Clinic