To learn about the safety and any side effects of atomoxetine when given to children and
adolescents for about 5 years (long-term) and to learn whether atomoxetine can help children
and adolescents with attention-deficit/hyperactivity disorder (ADHD) who take the drug for
about 5 years (long-term).
Study participants can be atomoxetine naive, atomoxetine experienced whose therapy has been
interrupted or, atomoxetine experienced on a known stable dose.