Attention Deficit Hyperactivity Disorder (ADHD) is the most common neurobehavioral disorder more prevalent in six to thirteen years of age in children . Major three common symptoms of ADHD are inattentiveness, hyperactivity and impulsiveness. Inattention means lake of responsiveness towards stimuli, blunted errors in daily tasks, struggle in focus, being self absorbed, and forgetfulness. Hyperactivity include violent behaviour, over excitation, altered gate with uncontrolled imagination and impulsivity includes disturbing teachers, sidetracking by calling out, struggling turn writing. Symptoms of ADHD occurs in childhood but also sometimes continue to adolescence . According to symptoms three types of ADHDs are present inattentive, hyperactive-impulsive, and combined type as per the Diagnostic and Statistical Manual of Mental Disorder (DSM IV) from APA (American Psychiatric Association).
Current review enlightens several factors which are correlated to incidence or prevalence of the ADHD. It is essential to find out basic cause which are more prone for occurrence of the disease. It shows significant difference of the ADHD and non ADHD children with various parameters. So it is considerable that some of these factors are trigger factors for the disease. As a result, the child victim of ADHD can suffer from substantial mental
illness, for instance difficulty to learn in institution and educational challenges , bothersome interactive affiliations with