Best ADHD Medication For Adults  Stimulant ADHD medication improves brain function to reduce common symptoms like hyperactivity, inattention, and impulsiveness.  There are many different stimulant medications that can be utilized to treat ADHD, including; methylphenidate (Ritalin), Concerta, Daytrana, Focalin and Adderall.  Bupropion  Bupropion, a central nervous system stimulant (CNS), is