Finding out exactly what is causing behavioural problems can be difficult, since symptoms of attention deficit hyperactivity disorder (ADHD) may also be caused by other problems. The main symptoms of ADHD—inattention, hyperactivity, and impulsiveness—may also result from:
In order to best treat symptoms of ADHD, a doctor must carefully investigate these other possibilities as a contributor to or cause of behaviour problems.
When symptoms are primarily a result of ADHD, they develop early in life (before the age of 7) and get worse when school demands are placed on the child. Symptoms of ADHD can be expected to continue into adulthood.
- Committee on Quality Improvement, American Academy of Pediatrics (2000). Diagnosis and evaluation of the child with attention-deficit/hyperactivity disorder. Pediatrics, 105(5): 1158–1170.
- American Psychiatric Association (2000). Attention-deficit and disruptive behavior disorders. In Diagnostic and Statistical Manual of Mental Disorders, 4th ed., text rev., pp. 85–103. Washington, DC: American Psychiatric Association.
|Primary Medical Reviewer||John Pope, MD - Pediatrics|
|Specialist Medical Reviewer||Thomas Emmett Francoeur, MD, MDCM, CSPQ, FRCPC - Pediatrics|
|Last Revised||July 22, 2010|
Last Revised: April 22, 2012
Author: Healthwise Staff
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