Some hyperactive-impulsive or inattentive symptoms that caused impairment were present before age 7 years. There must be clear evidence of clinically significant impairment in social, academic, or occupational functioning.
Some disorders have similar symptoms.
The clinician, therefore, in his diagnostic attempt has to differentiate against the following disorders which need to be ruled out to establish a precise diagnosis. Not Otherwise Specified. This page is better viewed 800x600 and is optimized for IE5.0 Netscape 4.0 or superior. All information here provided is not intended to be a substitute for professional medical advice. You should not use information on this site to diagnose or treat a health problem or disease without consulting with a qualified healthcare provider.