Since 1998, millions of parents and adults have trusted ADDitude's expert guidance and support for living better with ADHD and its related mental health conditions.

Oct 6, 2025 · ADD is an outdated term for the inattentive type of attention deficit hyperactivity disorder (ADHD). Learn more about the characteristics of this type of ADHD.

Nov 24, 2025 · ADD is an outdated name for ADHD. It was changed in 1987. People with ADHD may present as primarily inattentive, primarily hyperactive-impulsive or both.

Whether you’re newly diagnosed, wondering if you have ADHD, or simply ready to take charge of your life – we’re here to help. Have ADHD? Start Here. ADDA is the world’s largest organization …

Nov 25, 2025 · Attention-deficit/hyperactivity disorder (ADHD) is one of the most common neurodevelopmental disorders of childhood. Symptoms start in childhood and often last into …

Dec 9, 2024 · ADD vs ADHD: What sets them apart? Learn the difference between ADHD inattentive, hyperactive/impulsive, and combined type to better understand these conditions.

Children and Adults with Attention-Deficit/Hyperactivity Disorder (CHADD) is the nation's leading nonprofit organization serving people affected by ADHD.

NIMH researches attention-deficit/hyperactivity disorder (ADHD). Find resources on the signs and symptoms of ADHD and potential treatments and therapies.

Aug 28, 2025 · On this page you will find Attention Deficit Hyperactivity Disorder (ADHD) resources.

Feb 24, 2025 · Experts have identified three types of ADHD based on the main symptoms involved: Originally, ADD described what’s now inattentive ADHD. A mental health professional might have …