A common symptom of those diagnosed with ADHD is having trouble listening to others

Interrupting or intruding on others is another ADHD symptom.

Procrastination is a classic symptom of ADHD

Adults and children diagnosed with ADHD may experience trouble paying attention for any length of time

Because of difficulty in paying attention, ADHD adults and ADHD children often have trouble following instructions.

Children and adults with ADHD may be blurt out answers or experience being too talkative.

Being easily distracted is another symptom of ADHD.

Squirming, fidgeting, and feeling restless are among common adhd symptoms

Causes of fidgeting may include nervousness, agitation and boredom.