Trouble paying attention (inattention). People with ADHD are easily distracted. They have a hard time
focusing on any one task.
Trouble sitting still for even a short time (hyperactivity). Children with ADHD may
squirm, fidget, or run around at the wrong times. Teens and adults often feel
restless and fidgety. They aren't able to enjoy reading or other quiet
Acting before thinking (impulsivity). People
with ADHD may talk too loud, laugh too loud, or become angrier than the
situation calls for. Children may not be able to wait for their turn or to
share. This makes it hard for them to play with other children. Teens and
adults may make quick decisions that have
a long-term impact on their lives. They may spend too much money or change jobs
These symptoms affect all people who have
ADHD. But typical behavior varies by age.
preschool-age children, symptoms are often the same as normal behavior for young children.
In children between the ages of 6 and 12, signs of ADHD are more obvious than in other age groups.
In teens between the ages of 13 and 18, problems that began in earlier years may continue or get worse.
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
.gov or call 1-800-4-CANCER.
WebMD Medical Reference from Healthwise
November 14, 2014
This information is not intended to replace the advice of a doctor.
Healthwise disclaims any liability for the decisions you make based on this