ADD, ADHD, AD/HD – Attention Deficit Hyperactivity Disorder

Attention Deficit Disorder (ADD) is a condition resulting in symptoms of inability to maintain attention, impulsive behaviors and/or motor restlessness.

According to the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, 1994, (DSM-IV) the diagnostic label is Attention Deficit Hyperactivity Disorder (ADHD) However, in popular conversation and on the ADDA website the terms – ADD, ADHD, AD/HD – are used interchangeably.

• Frequently asked questions about AD/HD

Updated August 29, 2024