The ADD Assessment
& Family Support Centre

Signs for Symptoms in Teenagers/Adolescents

As a general guide similar to that for children, by reviewing whether at least 8 of the following behaviours were present for at least 6 months before the age of seven:

Butts into other children's game, interrupts often and doesn't listen.
Has difficulty remaining seated and easily distracted.
Has difficulty awaiting turns.
Fidgets with hands or feet.
Has difficulty playing quietly.
Often talks excessively.
Has difficulty following through instructions.
Often blurts out answers to questions before they have been asked.
Often loses things necessary for tasks or activities.