All signs do not have to be present for a diagnosis of attention-deficit/hyperactivity disorder (ADHD). However, 6 or more signs of inattention or of hyperactivity and impulsivity must always be present for a diagnosis (or 6 from each group to diagnose the combined type of ADHD). Signs must be present in two or more situations (for example, at home and at school) and must interfere with social or academic functioning.
Signs of inattention:
Often fails to pay close attention to details
Has difficulty sustaining attention in work and play
Does not seem to listen when spoken to directly
Often does not follow through on instructions and fails to finish tasks
Often has difficulty organizing tasks and activities
Often avoids, dislikes, or is reluctant to engage in tasks that require sustained mental effort
Often loses things
Is easily distracted by extraneous stimuli
Is often forgetful
Signs of hyperactivity and impulsivity:
Often fidgets with hands or feet or squirms
Often leaves seat in classroom and elsewhere
Often runs about or climbs excessively
Has difficulty playing or engaging in leisure activities quietly
Is often on the go or acts as if “driven by a motor”
Often talks excessively
Often blurts out answers before questions have been completed
