DrugFacts: Stimulant ADHD Medications: Methylphenidate and Amphetamines. Stimulant medications including amphetamines (e.g., Adderall) and methylphenidate (e.g., Ritalin and Concerta) are often prescribed to treat children, adolescents, or adults diagnosed with attention-deficit hyperactivity disorder (ADHD).oncerns have been raised that stimulants prescribed to treat a child’s or adolescent’s ADHD could affect an individual’s vulnerability to developing later drug problems—either by increasing the risk or by providing a degree of protection.