Do you know these some common terms about ADHD?
ADHD, combined type: The most common type of the disorder. People with this type of ADHD have inattention, hyperactivity, and impulsivity.
ADHD, predominantly hyperactive-impulsive type: With this type, people have both hyperactive and impulsive behavior, but they may not show enough symptoms of inattention to fall into the combined type.
ADHD, predominantly inattentive type: People with this type have inattention but not hyperactive or impulsive behavior. This type of ADHD was formerly known as attention deficit disorder (ADD).
Attention deficit hyperactivity disorder (ADHD): A developmental and behavioral disorder. People that have ADHD have inattention, distractibility, hyperactivity, and impulsivity. Typically, symptoms are significant enough to cause problems in everyday life.
Attention deficit disorder


 (ADD): This is the former name of ADHD, predominantly inattentive type. The term ADD is no longer used.