Adderall 12.5mg is a prescription stimulant medication used to treat Attention Deficit Hyperactivity Disorder (ADHD) and narcolepsy. It contains a balanced combination of amphetamine and dextroamphetamine, which work as central nervous system (CNS) stimulants. These active ingredients help regulate key brain chemicals like dopamine and norepinephrine to enhance focus, concentration, and impulse control.