All posts filed under: ADHD Dictionary

ADHD

The abbreviation used to represent Attention Deficit/Hyperactivity Disorder, regardless of predominant symptom. ADHD refers to combined, predominately hyperactive, and predominately inattentive types.

ADD

An outdated abbreviation used to represent Attention Deficit/Hyperactivity Disorder. It was commonly used when referring to someone with predominantly inattentive type ADHD. It has since been replaced with ADHD.