psychostimulant

noun

psy·​cho·​stim·​u·​lant -ˈstim-yə-lənt 

: a substance (such as dextroamphetamine or methylphenidate) that has mood-enhancing and stimulant properties, is used medically especially to treat attention deficit hyperactivity disorder or sometimes depression, and is frequently used illicitly

Drugs called psychostimulants, which help the brain's network of nerve cells to communicate better, are the most widely used type of drug to treat patients with ADHD.

—Virginia Anderson, The Atlanta Journal Constitution

—often used before another noun

A former area high school wrestling star faces trial in Centre County for allegedly forging prescriptions for a psychostimulant drug.

—Kevin Amerman, The Morning Call (Allentown, Pennsylvania)