The difference between ADD and ADHD lies mainly in terminology and symptom presentation. ADD, or Attention Deficit Disorder, was an older term used to describe individuals who had difficulty focusing but did not show signs of hyperactivity. Today, ADD is officially recognized as a subtype of ADHD—specifically, ADHD, Inattentive Type. ADHD, or Attention-Deficit/Hyperactivity Disorder, ... https://rxexpressshop.com/how-does-adhd-differ-from-add/