ADHD always begins in childhood, but it may persist into adult life. Though the hyperactivity generally reduces and a significant number of adults are not as helpless as they were in their childhood. The manifestation of symptoms changes, as these are not as apparent in the overt behavior of the adults as these were in the overt behavior of the children. Though the core symptoms, i.e., inattention, hyperactivity and impulsivity remain the same. The hyperactive children are generally engaged in some or the other activity, they are running, climbing and making noise; the adults are generally restless and have difficulty in getting relaxed.
The problems of inattention starts affecting the life more as with the adult life more demands are posed to an individual and it becomes difficult to attend all at the same time. The problem of poor organization also affects the life a lot. Due to all this they get lagged behind at work place as the productivity is the prime concern at workplace and these people fail to meet deadlines, forget things and fails to prioritize and focus on the relevant tasks. The impulsivity can land the adults into traffic violations, accidents, injuries and poor interpersonal relationships. They have frequent anger outbursts in a variety of situations.
There are different guidelines for diagnosing Adult ADHD; one set is called the Utah criteria. According to it major characteristics of adult ADHD are as follows-