What are ADHD symptoms in children?

Symptoms of ADHD in children are generally grouped into three categories: inattention, hyperactivity, and impulsiveness.

Inattention

A child with ADHD: is easily distracted

does not follow directions or finish tasks

does not appear to be listening when someone is speaking

does not pay attention and makes careless mistakes

is forgetful about daily activities

has problems organizing daily tasks

avoids or dislikes activities that require sitting still or a sustained effort

often loses things, including personal items

has a tendency to daydream

Hyperactivity

A child with ADHD:

often squirms, fidgets, or bounces when sitting

does not stay seated as expected

has difficulty playing quietly

is always moving, such as running or climbing on things (In teens and adults, this is more commonly described as a sense of restlessness)

talks excessively

Impulsivity

A child with ADHD:

has difficulty waiting for his or her turn

blurts out answers before the question has been completed

often interrupts others

For in depth information, see WebMD's ADHD in Children.

What are ADHD symptoms in adults?

Adult ADHD symptoms may be different than the symptoms in children. In addition, they may stem directly from ADHD or may be the result of behavioral issues. Symptoms include:

chronic lateness and forgetfulness

anxiety

low self-esteem

employment problems

difficulty controlling anger

impulsiveness

substance abuse or addiction

poor organization skills

procrastination

low frustration tolerance

chronic boredom

difficulty concentrating when reading

mood swings

depression

relationship problems

Source: WEBMD