What is NOT ADHD
There are a lot of situations that can look like attention deficit hyperactivity disorder in children or teens, but is NOT ADHD.
A Careful Diagnostic Exam for ADHD is Needed
This is why a careful ADHD diagnostic evaluation is so important. A physician, or mental health professional, must spend quality, and quantity, time to rule out other conditions that can look like ADHD. This conditions include:

- Pervasive Developmental Disorder or PDD
- Asperger's Disorder
- Tourette's Disorder (Tourette's Syndrome) or Tic Disorder
- Mental Retardation
- Schizophrenia, or other Psychotic Disorder
- Bipolar Disorder or Manic Depression
- Depression or other Mood Disorders
- Anxiety Disorder
- Oppositional Defiant Disorder
- Conduct Disorder
- Fetal Alcohol Syndrome (prenatal exposure to alcohol)
- In Utero (prenatal) Drug Exposure
- Brain damage at birth
- Head Injury or Brain Trauma
- Mercury, Copper, Nickel or Other Heavy Metal Toxicity from Dental Work such as fillings or braces
- Specific Learning Disability or Disabilities
- Laziness
- Disobedience
Each one of the items on this list should be ruled out by diagnostic evaluation for ADHD.