What are the symptoms of attention deficit hyperactivity disorder?

See below: Adhd has core symptoms of hyperactivity and inability to focus. People with adhd are easily distracted by events in their environment and have trouble staying on task, completing school work. They also tend to be hyperactive, always moving, getting out of their desks, and being disruptive.. People with adhd also tend to be very impulsive. They may not think before acting.

Three Core Symptoms: There are three core symptoms of adhd as it is currently understood, and the diagnostic criteria come from one of these three symptoms. They are: inattention, hyperactivity, and impulsivity. It is possible to have problems particularly with inattention without the other two.