Abstract
The Attention Deficit Hyperactivity Disorder (ADHD) is a condition that can be characterized by inattention, impulsivity and hyperactivity pathological. The ADHD pathophysiology is related to changes in dopaminergic systems, noradrenergic and serotonergic central nervous system. Among the treatments used there is the pharmacotherapy methylphenidate (Ritalin), potential drug abuse reuptake…