Find information on symptoms, diagnosis, treatment, data, research, and free resources.

Jan 23, 2026 · ADHD is the most commonly diagnosed mental disorder in children. Find out the symptoms in children and adults, types, causes, diagnosis, treatment, and outlook.

Attention deficit hyperactivity disorder (ADHD) [1] is a neurodevelopmental disorder characterised by symptoms of inattention, hyperactivity, impulsivity, and emotional dysregulation that are excessive …

Sep 3, 2025 · ADHD, or Attention Deficit Hyperactivity Disorder, is a neurodevelopmental disorder that affects both children and adults. It is characterized by signs such as difficulty with focus, …

Jun 1, 2026 · Read about ADHD, its types, symptoms, possible risk factors, screening, treatment, and CDC's work.

ADHD is a developmental disorder characterized by an ongoing pattern of one or more of the following types of symptoms: Inattention, such as having difficulty paying attention, keeping on task, or staying …

Information about symptoms, diagnosis, treatment, and resources for children, teens, and adults with attention-deficit/hyperactivity disorder (ADHD).

Jan 25, 2023 · This mental health disorder includes a combination of persistent problems, such as difficulty paying attention, hyperactivity and impulsive behavior.

Mar 7, 2025 · This condition affects children and may continue into adulthood. It can include having a hard time paying attention, being hyperactive and being impulsive.

Find out about ADHD (attention deficit hyperactivity disorder) in adults, the symptoms of ADHD, how to get a diagnosis and how to manage it.