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

About ADHD | Attention-Deficit / Hyperactivity Disorder (ADHD) | CDC
Read about ADHD, its types, symptoms, possible risk factors, screening, treatment, and CDC's work.

ADHD: Symptoms, Types, Testing, and Treatment - WebMD
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 - Wikipedia
ADHD treatment is most effective when medications (primarily stimulants like methylphenidate or amphetamines, as well as non-stimulants such as atomoxetine or alpha-2 agonists) are used, often in combination with psychotherapy; exercise and dietary modifications have no proven benefit.

Attention-deficit/hyperactivity disorder (ADHD) in children
Attention-deficit/hyperactivity disorder, also called ADHD, is a long-term condition that affects millions of children. It often continues into adulthood. ADHD includes a mix of ongoing problems. These can include having a hard time paying attention, being hyperactive and being impulsive.

What is ADHD? - Psychiatry.org
Attention-deficit/hyperactivity disorder (ADHD) is one of the most common mental disorders affecting children. Symptoms of ADHD include inattention (not being able to keep focus), hyperactivity (excess movement that is not fitting to the setting) and impulsivity (hasty acts that occur in the moment without thought).

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

Adult ADHD Self-Report Scale: Symptom Checklist - APA Services
The Adult ADHD Self-Report Scale (ASRS-v1.1) Symptom Checklist was developed in conjunction with the World Health Organization (WHO), and the Workgroup on Adult ADHD.

Adult ADHD Assessment and Diagnosis - AAFP
ADHD is diagnosed only when symptoms are severe enough to affect daily functioning in at least two settings — for example, at work and at home. These persistent and disruptive symptoms can be ...

Attention-Deficit/Hyperactivity Disorder (ADHD) - Cleveland Clinic
ADHD (attention-deficit/hyperactivity disorder) is a type of brain difference that can make it hard to pay attention, finish tasks and sit still. Treatment can help.