Attention-Deficit / Hyperactivity Disorder (ADHD)

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

This content is for informational purposes only. Always consult a healthcare professional.

Source: Centers for Disease Control and Prevention — Content from the Centers for Disease Control and Prevention (public domain).

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Data on ADHD in Children

CDC’s latest data on ADHD in U.S. children.

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July 7, 2026

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About

Read about ADHD, its types, symptoms, possible risk factors, screening, treatment, and CDC’s work.

June 1, 2026

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Data on ADHD in Adults

Explore more information about ADHD in adults.

June 1, 2026

An informational graphic showing text on an orange background with multiple hands holding the ADHD ribbons. Visit cdc.gov/ADHD

ADHD Awareness Toolkit

Find and share ADHD resources using CDC’s partner toolkit.

Nov 25, 2025

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Symptoms

ADHD symptoms can change over time and present themselves in three different ways.

June 1, 2026

A mother and daughter visiting the doctor’s office

Diagnosing

Diagnosing ADHD is a process with several steps.

June 1, 2026

Two parents helping their sons with homework

Treatment

ADHD treatment recommendations vary by age group.

June 2, 2026

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ADHD Data and Resources for States

Read this page for more information and resources on ADHD.

July 7, 2026

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ADHD in the Classroom

Resources for teachers and school administrators to help children with ADHD succeed in school.

June 1, 2026

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ADHD in Adults

ADHD symptoms start in childhood and can continue into adulthood but may look different in adults.

June 1, 2026

⚠ Caution
Medical Disclaimer: This information is for educational purposes only. Always consult a healthcare professional for medical advice.